<!--***********************************************************************************   Extended WPF Toolkit   Copyright (C) 2007-2013 Xceed Software Inc.   This program is provided to you under the terms of the Microsoft Public   License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license    For more features, controls, and fast professional support,   pick up the Plus Edition at http://xceed.com/wpf_toolkit   Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids  **********************************************************************************--><ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"                    xmlns:local="clr-namespace:Xceed.Wpf.DataGrid"                    xmlns:markup="clr-namespace:Xceed.Wpf.DataGrid.Markup"                    xmlns:conv="clr-namespace:Xceed.Wpf.DataGrid.Converters"                    xmlns:views="clr-namespace:Xceed.Wpf.DataGrid.Views">   <ResourceDictionary.MergedDictionaries>      <ResourceDictionary Source="Common.Resources.xaml" />   </ResourceDictionary.MergedDictionaries>   <Style x:Key="tableflowViewRowFocusVisualStyle"          TargetType="IFrameworkInputElement">      <Style.Resources>         <conv:ThicknessConverter x:Key="thicknessConverter" />      </Style.Resources>      <Setter Property="Control.Template">         <Setter.Value>            <ControlTemplate>               <Rectangle Stroke="#FF000000"                          StrokeThickness="1"                          StrokeDashArray="1 2"                          Margin="{Binding RelativeSource={RelativeSource AncestorType={x:Type ScrollViewer}}, Path=HorizontalOffset, Converter={StaticResource thicknessConverter}, ConverterParameter=‘Left‘}"                          SnapsToDevicePixels="True" />            </ControlTemplate>         </Setter.Value>      </Setter>   </Style>   <conv:ThicknessConverter x:Key="inverseThicknessConverter"                            InverseValue="True" />   <!--**************************    * TEMPLATE: DataGridControl     ************************** -->   <ControlTemplate x:Key="tableflowViewDataGridControlTemplate"                    TargetType="local:DataGridControl">      <Grid>         <Border Background="{TemplateBinding Background}"                 BorderBrush="{TemplateBinding BorderBrush}"                 BorderThickness="{TemplateBinding BorderThickness}">            <!-- The AdornerDecorator will allow visual cues for Drag & Drop operations. -->            <AdornerDecorator x:Name="PART_DragDropAdornerDecorator">               <!-- The TableViewScrollViewer takes care of laying out the various sections of                       a DataGrid in TableflowView: FixedHeaders, FixedFooters, RowSelectorPane, etc. -->               <views:TableViewScrollViewer x:Name="PART_ScrollViewer"                                            ShowRowSelectorPane="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).ShowRowSelectorPane}"                                            RowSelectorPaneWidth="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).RowSelectorPaneWidth}"                                            Padding="{TemplateBinding Padding}">                  <views:TableflowViewItemsHost />               </views:TableViewScrollViewer>            </AdornerDecorator>         </Border>         <Grid x:Name="connectionStateGrid"               HorizontalAlignment="Right"               VerticalAlignment="Bottom"               Margin="0,0,25,25"               Height="30"               Width="30">            <ContentPresenter x:Name="connectionStateLoadingContentPresenter"                              ContentTemplate="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).ConnectionStateLoadingGlyph}"                              Content="{TemplateBinding ConnectionState}"                              Visibility="Collapsed" />            <ContentPresenter x:Name="connectionStateCommittingContentPresenter"                              ContentTemplate="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).ConnectionStateCommittingGlyph}"                              Content="{TemplateBinding ConnectionState}"                              Visibility="Collapsed" />            <ContentPresenter x:Name="connectionStateErrorContentPresenter"                              ContentTemplate="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).ConnectionStateErrorGlyph}"                              Content="{TemplateBinding ConnectionState}"                              Visibility="Collapsed" />         </Grid>      </Grid>      <ControlTemplate.Triggers>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).IsConnectionStateGlyphEnabled}"                      Value="False">            <Setter TargetName="connectionStateGrid"                    Property="Visibility"                    Value="Collapsed" />         </DataTrigger>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).DataGridControl.ConnectionState}"                      Value="Loading">            <Setter TargetName="connectionStateLoadingContentPresenter"                    Property="Visibility"                    Value="Visible" />            <Setter TargetName="connectionStateErrorContentPresenter"                    Property="Visibility"                    Value="Collapsed" />            <Setter TargetName="connectionStateCommittingContentPresenter"                    Property="Visibility"                    Value="Collapsed" />         </DataTrigger>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).DataGridControl.ConnectionState}"                      Value="Committing">            <Setter TargetName="connectionStateLoadingContentPresenter"                    Property="Visibility"                    Value="Collapsed" />            <Setter TargetName="connectionStateErrorContentPresenter"                    Property="Visibility"                    Value="Collapsed" />            <Setter TargetName="connectionStateCommittingContentPresenter"                    Property="Visibility"                    Value="Visible" />         </DataTrigger>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).DataGridControl.ConnectionState}"                      Value="Error">            <Setter TargetName="connectionStateLoadingContentPresenter"                    Property="Visibility"                    Value="Collapsed" />            <Setter TargetName="connectionStateErrorContentPresenter"                    Property="Visibility"                    Value="Visible" />            <Setter TargetName="connectionStateCommittingContentPresenter"                    Property="Visibility"                    Value="Collapsed" />         </DataTrigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: RowSelector     ************************** -->   <ControlTemplate x:Key="tableflowViewRowSelectorTemplate"                    TargetType="local:RowSelector">      <!-- This Grid is used to position the resizer Thumb over the RowSelector -->      <Grid>         <Border Background="{TemplateBinding Background}"                 BorderBrush="{TemplateBinding BorderBrush}"                 BorderThickness="{TemplateBinding BorderThickness}"                 Padding="{TemplateBinding Padding}">            <ContentPresenter x:Name="contentPresenter"                              Content="{TemplateBinding Content}"                              ContentTemplate="{TemplateBinding ContentTemplate}"                              ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}"                              HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"                              VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />         </Border>         <!-- Thumb that is used to resize the Row. -->         <Thumb x:Name="PART_RowResizerThumb"                Style="{StaticResource invisibleThumbStyle}"                VerticalAlignment="Bottom" />      </Grid>   </ControlTemplate>   <!--**************************    * TEMPLATE: Row     ************************** -->   <ControlTemplate x:Key="tableflowViewRowTemplate"                    TargetType="local:Row">      <!-- A basic Row Template requires at least a Panel named "PART_CellsHost" to which the Row‘s cells will be added.           This Panel is usually placed inside a Border who is responsible for painting the gridlines. -->      <ControlTemplate.Resources>         <conv:TypeToBooleanConverter x:Key="typeToBooleanConverter" />      </ControlTemplate.Resources>      <!-- This Grid is used to layout the GroupLevelIndicatorPane placeholder and the CellsHost panel. -->      <Grid x:Name="rootGrid">         <Grid.ColumnDefinitions>            <!-- HierarchicalGroupLevelIndicatorPane -->            <ColumnDefinition Width="Auto" />            <!-- GroupLevelIndicatorPane -->            <ColumnDefinition Width="Auto" />            <!-- MasterDetail ToggleButton -->            <ColumnDefinition Width="Auto" />            <!-- CellsHost panel -->            <ColumnDefinition Width="*" />         </Grid.ColumnDefinitions>         <!-- The border responsible for the visual outline of the row (gridlines and background)                       spans the GroupLevelIndicatorPane and CellsHost Panel. Those 2 elements are not children of                       the Border because we don‘t want the border to be displayed in the GroupLevelIndicatorPane. -->         <Border x:Name="rootBorder"                 Grid.Column="2"                 Grid.ColumnSpan="2"                 views:TableView.CanScrollHorizontally="False"                 Background="{TemplateBinding Background}"                 BorderBrush="{TemplateBinding BorderBrush}"                 BorderThickness="{TemplateBinding BorderThickness}"                 Padding="{TemplateBinding Padding}" />         <local:HierarchicalGroupLevelIndicatorPane Grid.Column="0"                                                    views:TableView.CanScrollHorizontally="False" />         <!-- GroupLevelIndicatorPane is a placeholder for individual GroupLevelIndicator elements that are added                       whenever this Row is part of a group. -->         <local:GroupLevelIndicatorPane x:Name="groupLevelIndicatorPane"                                        views:TableView.CanScrollHorizontally="False"                                        Grid.Column="1" />         <!-- ToggleButton that is used to expand/collapse the group. -->         <Button x:Name="detailsToggle"                 Template="{StaticResource detailsExpanderButtonTemplate}"                 VerticalAlignment="Top"                 Grid.Column="2"                 Margin="2,4,2,0"                 Command="{x:Static local:DataGridCommands.ToggleDetailExpansion}"                 OverridesDefaultStyle="True"                 Focusable="False"                 Visibility="Collapsed"                 views:TableView.CanScrollHorizontally="False" />         <!-- This TextBlock is used to ensure that the DesiredSize for          the Row will never fall below the Height of a String using the inherited font size and face-->         <TextBlock Text=""                    Visibility="Hidden"                    Grid.Column="3"                    Margin="{TemplateBinding BorderThickness}" />         <!-- The PART_CellsHost part designates the Panel to which this Row‘s Cells should be added.-->         <views:FixedCellPanel x:Name="PART_CellsHost"                               Grid.Column="3"                               ColumnStretchMinWidth="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).ColumnStretchMinWidth}"                               ColumnStretchMode="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).ColumnStretchMode}"                               FixedCellCount="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).FixedColumnCount, Mode=TwoWay}"                               FixedColumnDropMarkPen="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).FixedColumnDropMarkPen}"                               Margin="{TemplateBinding BorderThickness}" />      </Grid>      <ControlTemplate.Triggers>         <!-- When changing the appearance (e.g. background/foreground) of the Row to reflect specific              states (e.g. IsSelected), it is recommended to apply the changes directly to the template              elements because we want those modifications to be effective even when a value has been              explicitely set to these properties on the TemplatedParent. Also, when someone queries              the value of these properties on the TemplatedParent, we don‘t want to return the              intermediate, state-specific values. -->         <!-- When the Row is Selected, we want to change its background/foreground to the appropriate brushes. -->         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=IsSelected}"                          Value="True" />                              <Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).DataGridControl.IsKeyboardFocusWithin}"                          Value="True" />            </MultiDataTrigger.Conditions>            <Setter TargetName="rootBorder"                    Property="Background"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=SelectionBackground}" />            <Setter TargetName="rootGrid"                    Property="TextElement.Foreground"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=SelectionForeground}" />         </MultiDataTrigger>         <!-- When the Row is Selected but the parent DataGridControl is not focused, we want to change              the Row‘s background/foreground to the appropriate brushes. -->         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=IsSelected}"                          Value="True" />               <Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).DataGridControl.IsKeyboardFocusWithin}"                          Value="False" />               <Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).DataGridControl.HideSelection}"                          Value="False" />            </MultiDataTrigger.Conditions>            <Setter TargetName="rootBorder"                    Property="Background"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=InactiveSelectionBackground}" />            <Setter TargetName="rootGrid"                    Property="TextElement.Foreground"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=InactiveSelectionForeground}" />         </MultiDataTrigger>         <!-- When there are details, display the Toggle button for the expansion, collapsing of the details -->         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).HasDetails}"                          Value="True" />               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).AllowDetailToggle}"                          Value="True" />               <Condition Value=http://www.mamicode.com/"True"                          Binding="{Binding RelativeSource={RelativeSource Self}, Path=., Mode=OneWay, Converter={StaticResource typeToBooleanConverter}, ConverterParameter={x:Type local:DataRow}}" />            </MultiDataTrigger.Conditions>            <Setter TargetName="detailsToggle"                    Property="Visibility"                    Value="Visible" />         </MultiDataTrigger>         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).HasDetails}"                          Value="True" />               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).AllowDetailToggle}"                          Value="True" />               <Condition Value=http://www.mamicode.com/"False"                          Binding="{Binding RelativeSource={RelativeSource Self}, Path=., Mode=OneWay, Converter={StaticResource typeToBooleanConverter}, ConverterParameter={x:Type local:DataRow}}" />            </MultiDataTrigger.Conditions>            <Setter TargetName="detailsToggle"                    Property="Visibility"                    Value="Hidden" />         </MultiDataTrigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: ColumnManagerRow     ************************** -->   <ControlTemplate x:Key="tableflowViewColumnManagerRowTemplate"                    TargetType="local:ColumnManagerRow">      <!-- A basic Row Template requires at least a Panel named "PART_CellsHost" to which the Row‘s cells will be added.           This Panel is usually placed inside a Border who is responsible for painting the gridlines. -->      <ControlTemplate.Resources>         <conv:ThicknessConverter x:Key="thicknessConverter"                                  InverseValue="True" />      </ControlTemplate.Resources>      <!-- This Grid is used to layout the GroupLevelIndicatorPane placeholder and the CellsHost panel. -->      <Grid x:Name="rootGrid">         <Grid.ColumnDefinitions>            <!-- HierarchicalGroupLevelIndicatorPane -->            <ColumnDefinition Width="Auto" />            <!-- GroupLevelIndicatorPane -->            <ColumnDefinition Width="Auto" />            <ColumnDefinition Width="Auto" />            <!-- CellsHost panel -->            <ColumnDefinition Width="*" />         </Grid.ColumnDefinitions>         <!-- The border responsible for the visual outline of the row (gridlines and background)                       spans the GroupLevelIndicatorPane and CellsHost Panel. Those 2 elements are not children of                       the Border because we don‘t want the border to be displayed in the GroupLevelIndicatorPane. -->         <Border x:Name="rootBorder"                 Grid.Column="1"                 Grid.ColumnSpan="3"                 views:TableView.CanScrollHorizontally="False"                 Background="{TemplateBinding Background}"                 BorderBrush="{TemplateBinding BorderBrush}"                 BorderThickness="{TemplateBinding BorderThickness}"                 Padding="{TemplateBinding Padding}" />         <!-- GroupLevelIndicatorPane is a placeholder for individual GroupLevelIndicator elements that are added                       whenever this Row is part of a group. -->         <local:HierarchicalGroupLevelIndicatorPane views:TableView.CanScrollHorizontally="False"                                                    Grid.Column="0"                                                    Background="{TemplateBinding Background}" />         <local:GroupLevelIndicatorPane x:Name="groupLevelIndicatorPane"                                        views:TableView.CanScrollHorizontally="False"                                        Grid.Column="1"                                        Background="{TemplateBinding Background}" />         <!-- ToggleButton that is used to expand/collapse the group. -->         <Button x:Name="detailsToggle"                 Template="{StaticResource detailsExpanderButtonTemplate}"                 VerticalAlignment="Top"                 Grid.Column="2"                 Margin="2,4,2,0"                 Command="{x:Static local:DataGridCommands.ToggleDetailExpansion}"                 OverridesDefaultStyle="True"                 Focusable="False"                 Visibility="Collapsed"                 views:TableView.CanScrollHorizontally="False" />         <Decorator x:Name="indentationDecorator"                    Grid.Column="3">            <!-- The PART_CellsHost part designates the Panel to which this Row‘s Cells should be added.-->            <views:FixedCellPanel x:Name="PART_CellsHost"                                  ColumnStretchMinWidth="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).ColumnStretchMinWidth}"                                  ColumnStretchMode="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).ColumnStretchMode}"                                  FixedCellCount="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).FixedColumnCount, Mode=TwoWay}"                                  FixedColumnDropMarkPen="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).FixedColumnDropMarkPen}"                                  Margin="{TemplateBinding BorderThickness}" />         </Decorator>      </Grid>      <ControlTemplate.Triggers>         <!-- When there are details, display the Toggle button for the expansion, collapsing of the details -->         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).HasDetails}"                          Value="True" />               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).AllowDetailToggle}"                          Value="True" />            </MultiDataTrigger.Conditions>            <Setter TargetName="detailsToggle"                    Property="Visibility"                    Value="Hidden" />         </MultiDataTrigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: Cell     ************************** -->   <ControlTemplate x:Key="tableflowViewCellTemplate"                    TargetType="local:Cell">      <!-- A basic Cell Template requires at least a ContentPresenter that is used to display the Cell‘s Content.           This ContentPresenter is usually placed inside a Border who is responsible for painting the gridlines. -->      <Grid>         <Border x:Name="gridLinesBorder" />         <Border x:Name="rootBorder"                 Background="{TemplateBinding Background}"                 BorderBrush="{TemplateBinding BorderBrush}"                 BorderThickness="{TemplateBinding BorderThickness}"                 Padding="{TemplateBinding Padding}">            <local:CellContentPresenter x:Name="PART_CellContentPresenter"                                        HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"                                        VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />         </Border>      </Grid>      <ControlTemplate.Triggers>         <!-- When changing the appearance (e.g. background/foreground) of the Cell to reflect specific              states (e.g. IsCurrent), it is recommended to apply the changes directly to the template              elements because we want those modifications to be effective even when a value has been              explicitely set to these properties on the TemplatedParent. Also, when someone queries              the value of these properties on the TemplatedParent, we don‘t want to return the              intermediate, state-specific values. -->         <!-- When the Cell is Current, we want to change its background/foreground to the appropriate brushes.              We do this only when the cell does not have a validation error because we must give priority              to the CellErrorStyle (if present).-->         <MultiTrigger>            <MultiTrigger.Conditions>               <Condition Property="IsCurrent"                          Value="True" />               <Condition Property="HasValidationError"                          Value="False" />            </MultiTrigger.Conditions>            <Setter TargetName="rootBorder"                    Property="Background"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=CurrentBackground}" />            <Setter TargetName="rootBorder"                    Property="TextElement.Foreground"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=CurrentForeground}" />         </MultiTrigger>         <MultiTrigger>            <MultiTrigger.Conditions>               <Condition Property="IsCurrent"                          Value="True" />               <Condition Property="HasValidationError"                          Value="True" />               <Condition Property="CellErrorStyle"                          Value="{x:Null}" />            </MultiTrigger.Conditions>            <Setter TargetName="rootBorder"                    Property="Background"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=CurrentBackground}" />            <Setter TargetName="rootBorder"                    Property="TextElement.Foreground"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=CurrentForeground}" />         </MultiTrigger>         <!-- When the Cell is Selected, we want to change its background/foreground to the appropriate brushes. -->         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=IsSelected}"                          Value="True" />               <Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).(local:DataGridContext.DataGridControl).IsKeyboardFocusWithin}"                          Value="True" />            </MultiDataTrigger.Conditions>            <Setter TargetName="rootBorder"                    Property="Background"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=SelectionBackground}" />            <Setter TargetName="rootBorder"                    Property="TextElement.Foreground"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=SelectionForeground}" />         </MultiDataTrigger>         <!-- When the Cell is Selected but the parent DataGridControl is not focused, we want to change              the Cell‘s background/foreground to the appropriate brushes. -->         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=IsSelected}"                          Value="True" />               <Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).(local:DataGridContext.DataGridControl).IsKeyboardFocusWithin}"                          Value="False" />               <Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).(local:DataGridContext.DataGridControl).HideSelection}"                          Value="False" />            </MultiDataTrigger.Conditions>            <Setter TargetName="rootBorder"                    Property="Background"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=InactiveSelectionBackground}" />            <Setter TargetName="rootBorder"                    Property="TextElement.Foreground"                    Value="{Binding RelativeSource={RelativeSource TemplatedParent},Path=InactiveSelectionForeground}" />         </MultiDataTrigger>         <!-- When the Cell‘s content is Null and the row is not being edited, we want to ensure that the row/cell              will preserve a minimum height based on the current font size for the row/cell. To do this, we override              the ContentPresenter‘s content binding and replace it with an empty string (""), the textbox generated               this way will then size to the default text‘s height. When trigger is not active anymore, default binding              is restored automatically. -->         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=ParentColumn.Visible}"                      Value="False">            <Setter Property="Visibility"                    Value="Collapsed" />         </DataTrigger>         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).AreColumnsBeingReordered}"                          Value="True" />            </MultiDataTrigger.Conditions>            <Setter TargetName="gridLinesBorder"                    Property="BorderBrush"                    Value="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).VerticalGridLineBrush}" />            <Setter TargetName="gridLinesBorder"                    Property="BorderThickness"                    Value="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).VerticalGridLineThickness,Converter={StaticResource thicknessConverter},ConverterParameter=‘Left‘}" />            <Setter TargetName="gridLinesBorder"                    Property="Margin"                    Value="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).VerticalGridLineThickness,Converter={StaticResource inverseThicknessConverter},ConverterParameter=‘Left‘}" />         </MultiDataTrigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: ColumnManagerCell     ************************** -->   <ControlTemplate x:Key="tableflowViewColumnManagerCellTemplate"                    TargetType="local:ColumnManagerCell">      <!-- We don‘t use the base Cell Template for the ColumnManagerCell because it need more elements           to function properly: a Thumb named "PART_ColumnResizerThumb" that is used to resize the           ColumnManagerCells‘s ParentColumn.Width and a glyph that represents the Column‘s SortDirection. -->      <Grid>         <Border x:Name="gridLinesBorder" />         <Border  BorderBrush="{TemplateBinding BorderBrush}"                  BorderThickness="{TemplateBinding BorderThickness}">            <!-- This Grid is used to position the resizer Thumb over the ColumnManagerCell -->            <Grid>               <Rectangle Fill="{DynamicResource {x:Static SystemColors.ControlLightBrushKey}}"                          HorizontalAlignment="Left"                          VerticalAlignment="Stretch"                          Width="1"                          Margin="0,2,0,2" />               <Rectangle Fill="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}"                          HorizontalAlignment="Right"                          VerticalAlignment="Stretch"                          Width="1"                          Margin="0,2,0,2" />               <DockPanel>                  <Border x:Name="thumbToggleBackgroundBorder"                          DockPanel.Dock="Right">                     <Grid>                        <Border x:Name="toggleDelimeterBorder"                                BorderBrush="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}"                                BorderThickness="1,0,0,0"                                Margin="0,4,0,4"                                Background="Transparent"                                Visibility="Collapsed">                           <Border x:Name="toggleDelimeterBorder2"                                   BorderBrush="{DynamicResource {x:Static SystemColors.ControlLightBrushKey}}"                                   BorderThickness="1,0,0,0"                                   Margin="0,0,0,0"                                   Background="Transparent"                                   Visibility="Collapsed">                           </Border>                        </Border>                        <ToggleButton x:Name="toggleButton"                                      Focusable="False"                                      VerticalAlignment="Stretch"                                      Visibility="Collapsed"                                      Margin="2,0,0,0"                                      Opacity="0.5" />                     </Grid>                  </Border>                  <Border Background="{TemplateBinding Background}">                     <!-- This Grid is used to layout the delimiter lines on top of the ContentPresenter -->                     <Grid>                        <Border Padding="{TemplateBinding Padding}">                           <!-- This StackPanel is used to layout the ContentPresenter and the Sort Glyph (when present). -->                           <StackPanel x:Name="contentPanel"                                       Orientation="Horizontal">                              <!-- Same ContentPresenter as in the base Cell Template. -->                              <local:CellContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"                                                          VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />                              <!-- ContentPresenter that is used to display the sort glyph.                          We explicitly set its Content property to Null to prevent the XAML parser                          from implicitly setting it to its TemplatedParent‘s Content. -->                              <ContentPresenter x:Name="sortGlyphPresenter"                                                Content="{x:Null}"                                                ContentTemplate="{x:Null}" />                           </StackPanel>                        </Border>                     </Grid>                  </Border>               </DockPanel>               <!-- Thumb that is used to resize the Column. -->               <Thumb x:Name="PART_ColumnResizerThumbLeft"                      Style="{StaticResource invisibleThumbStyle}"                      Width="6"                      HorizontalAlignment="Left" />               <!-- Thumb that is used to resize the Column. -->               <Thumb x:Name="PART_ColumnResizerThumb"                      Style="{StaticResource invisibleThumbStyle}"                      Width="6"                      HorizontalAlignment="Right" />            </Grid>         </Border>      </Grid>      <ControlTemplate.Triggers>         <!-- Trigger related to the filteringToggleButton-->         <Trigger SourceName="toggleButton"                  Property="IsMouseOver"                  Value="True">            <Setter TargetName="toggleButton"                    Property="Opacity"                    Value="1" />         </Trigger>         <Trigger Property="IsPressed"                  Value="True">            <Setter TargetName="contentPanel"                    Property="Margin"                    Value="1,1,-1,-1" />         </Trigger>         <!-- The following 2 triggers allow the appropriate Sort Glyph to be displayed              depending on the ParentColumn‘s SortDirection. -->         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=ParentColumn.SortDirection}"                      Value="Ascending">            <Setter TargetName="sortGlyphPresenter"                    Property="ContentPresenter.ContentTemplate"                    Value="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).AscendingSortGlyph}" />            <Setter TargetName="sortGlyphPresenter"                    Property="Margin"                    Value="6,0,0,0" />         </DataTrigger>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=ParentColumn.SortDirection}"                      Value="Descending">            <Setter TargetName="sortGlyphPresenter"                    Property="ContentPresenter.ContentTemplate"                    Value="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).DescendingSortGlyph}" />            <Setter TargetName="sortGlyphPresenter"                    Property="Margin"                    Value="6,0,0,0" />         </DataTrigger>         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=ParentColumn.HasFixedWidth}"                          Value="True" />               <!-- Don‘t disable resizing if ColumnStretching can be disabled by an                     end-user resize. -->               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).RemoveColumnStretchingOnResize}"                          Value="False" />            </MultiDataTrigger.Conditions>            <Setter TargetName="PART_ColumnResizerThumb"                    Property="IsEnabled"                    Value="False" />         </MultiDataTrigger>         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=ParentColumn.PreviousVisibleColumn.HasFixedWidth}"                          Value="True" />               <!-- Don‘t disable resizing if ColumnStretching can be disabled by an                     end-user resize. -->               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).RemoveColumnStretchingOnResize}"                          Value="False" />            </MultiDataTrigger.Conditions>            <Setter TargetName="PART_ColumnResizerThumbLeft"                    Property="IsEnabled"                    Value="False" />         </MultiDataTrigger>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=ParentRow.AllowColumnResize}"                      Value="False">            <Setter TargetName="PART_ColumnResizerThumb"                    Property="IsEnabled"                    Value="False" />            <Setter TargetName="PART_ColumnResizerThumbLeft"                    Property="IsEnabled"                    Value="False" />         </DataTrigger>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=ParentColumn.Visible}"                      Value="False">            <Setter Property="Visibility"                    Value="Collapsed" />         </DataTrigger>         <!-- To display the left vertical grid line when doing animated Column reordering -->         <MultiDataTrigger>            <MultiDataTrigger.Conditions>               <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).AreColumnsBeingReordered}"                          Value="True" />            </MultiDataTrigger.Conditions>            <Setter TargetName="gridLinesBorder"                    Property="BorderBrush"                    Value="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).VerticalGridLineBrush}" />            <Setter TargetName="gridLinesBorder"                    Property="BorderThickness"                    Value="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).VerticalGridLineThickness,Converter={StaticResource thicknessConverter},ConverterParameter=‘Left‘}" />            <Setter TargetName="gridLinesBorder"                    Property="Margin"                    Value="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).VerticalGridLineThickness,Converter={StaticResource inverseThicknessConverter},ConverterParameter=‘Left‘}" />         </MultiDataTrigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: GroupByControl    ************************** -->   <ControlTemplate x:Key="tableflowViewGroupByControlTemplate"                    TargetType="local:GroupByControl">      <Border Background="{TemplateBinding Background}"              BorderBrush="{TemplateBinding BorderBrush}"              BorderThickness="{TemplateBinding BorderThickness}"              Padding="{TemplateBinding Padding}">         <!-- This Grid is used to position the ItemsPresenter over the ContentPresenter in charge              of displaying the NoGroupContent. -->         <Grid>            <!-- This ContentPresenter displays the value of the NoGroupContent property                 of the GroupByControl. This content must only be displayed when there are                 no groups present, so we set its Visibility to Collapsed by default and                 it is made visible via a trigger. -->            <ContentPresenter x:Name="noGroupContentPresenter"                              Content="{TemplateBinding NoGroupContent}"                              VerticalAlignment="Center"                              Visibility="Collapsed" />            <!-- The GroupByControl is an ItemsControl, so it must have an ItemsPresenter in its                 Template in order to layout and show its child items. The default ItemsPanel                 of the GroupByControl is a "StaircasePanel", which layout its items in a                 staircase-like pattern and draws connecting lines between the items. -->            <ItemsPresenter />         </Grid>      </Border>      <ControlTemplate.Triggers>         <!-- When there are no groups, make the NoGroupContent visible. -->         <Trigger Property="HasItems"                  Value="False">            <Setter TargetName="noGroupContentPresenter"                    Property="Visibility"                    Value="Visible" />         </Trigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: GroupByItem    ************************** -->   <ControlTemplate x:Key="tableflowViewGroupByItemTemplate"                    TargetType="local:GroupByItem">      <Border Background="{TemplateBinding Background}"              BorderBrush="{TemplateBinding BorderBrush}"              BorderThickness="{TemplateBinding BorderThickness}"              Padding="{TemplateBinding Padding}">         <!-- This StackPanel is used to layout the ContentPresenter and the Sort Glyph (when present). -->         <StackPanel Orientation="Horizontal">            <!-- Same ContentPresenter as in the base Cell Template. -->            <ContentPresenter Content="{TemplateBinding Content}"                              ContentTemplate="{TemplateBinding ContentTemplate}"                              ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}"                              HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"                              VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />            <!-- ContentPresenter that is used to display the sort glyph.                 We explicitely set its Content property to Null to prevent the XAML parser                 from implicitely setting it to its TemplatedParent‘s Content. -->            <ContentPresenter x:Name="sortGlyphPresenter"                              Content="{x:Null}"                              ContentTemplate="{x:Null}" />         </StackPanel>      </Border>      <ControlTemplate.Triggers>         <!-- The following 2 triggers allow to display the appropriate Sort Glyph              depending on the ParentColumn‘s SortDirection. -->         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=SortDirection}"                      Value="Ascending">            <Setter TargetName="sortGlyphPresenter"                    Property="ContentPresenter.ContentTemplate"                    Value="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).AscendingSortGlyph}" />            <Setter TargetName="sortGlyphPresenter"                    Property="Margin"                    Value="6,0,0,0" />         </DataTrigger>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=SortDirection}"                      Value="Descending">            <Setter TargetName="sortGlyphPresenter"                    Property="ContentPresenter.ContentTemplate"                    Value="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).DescendingSortGlyph}" />            <Setter TargetName="sortGlyphPresenter"                    Property="Margin"                    Value="6,0,0,0" />         </DataTrigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: GroupHeaderControl    ************************** -->   <conv:IntAdditionConverter x:Key="groupHeaderControlGroupLevelConverter" />   <ControlTemplate x:Key="tableflowViewGroupHeaderControlTemplate"                    TargetType="local:GroupHeaderControl">      <!-- Using this decorator will prevent the GroupHeaderControl of exceeding the width            defined by the grid‘s column. -->      <views:PassiveLayoutDecorator Axis="Horizontal">         <!-- This DockPanel is used to layout the GroupLevelIndicatorPane placeholder and the GroupHeaderControl Content. -->         <DockPanel>            <!-- GroupLevelIndicatorPane is a placeholder for individual GroupLevelIndicator elements that are added              whenever this GroupHeaderControl is part of a group. -->            <local:HierarchicalGroupLevelIndicatorPane DockPanel.Dock="Left" />            <local:GroupLevelIndicatorPane DockPanel.Dock="Left"                                           Indented="False"                                           local:GroupLevelIndicatorPane.GroupLevel="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(local:GroupLevelIndicatorPane.GroupLevel), Converter={StaticResource groupHeaderControlGroupLevelConverter}, ConverterParameter=-1}" />            <!-- Main Border for the GroupHeaderControl. It is Focusable to make the InputBindings work. -->            <Border x:Name="mainBorder"                    Background="{TemplateBinding Background}"                    BorderBrush="{TemplateBinding BorderBrush}"                    BorderThickness="{TemplateBinding BorderThickness}"                    Padding="{TemplateBinding Padding}"                    Focusable="True"                    FocusVisualStyle="{TemplateBinding FocusVisualStyle}">               <!-- Define all the standard InputBindings for a GroupHeaderControl. -->               <Border.InputBindings>                  <KeyBinding Command="{x:Static local:DataGridCommands.ToggleGroupExpansion}"                              Key="Space" />                  <KeyBinding Command="{x:Static local:DataGridCommands.ExpandGroup}"                              Key="Right" />                  <KeyBinding Command="{x:Static local:DataGridCommands.ExpandGroup}"                              Key="Add" />                  <KeyBinding Command="{x:Static local:DataGridCommands.CollapseGroup}"                              Key="Left" />                  <KeyBinding Command="{x:Static local:DataGridCommands.CollapseGroup}"                              Key="Subtract" />                  <MouseBinding Command="{x:Static local:DataGridCommands.ToggleGroupExpansion}"                                MouseAction="LeftDoubleClick" />               </Border.InputBindings>               <!-- This StackPanel is used to layout the ToggleButton and the GroupHeaderControl. -->               <StackPanel Orientation="Horizontal">                  <!-- ToggleButton that is used to expand/collapse the group. -->                  <ToggleButton Template="{StaticResource groupExpanderToggleButtonTemplate}"                                OverridesDefaultStyle="True"                                VerticalAlignment="{TemplateBinding VerticalContentAlignment}"                                Focusable="False"                                IsChecked="{Binding RelativeSource={RelativeSource TemplatedParent},Path=Group.IsExpanded}" />                  <!-- ContentPresenter in charge of displaying this GroupHeaderControl‘s Content, which is                             a Group by default. -->                  <ContentPresenter Margin="3,0,0,0"                                    Content="{TemplateBinding Content}"                                    ContentTemplate="{TemplateBinding ContentTemplate}"                                    ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}"                                    VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />               </StackPanel>            </Border>         </DockPanel>      </views:PassiveLayoutDecorator>      <ControlTemplate.Triggers>         <Trigger Property="local:DataGridControl.NavigationBehavior"                  Value="None">            <Setter TargetName="mainBorder"                    Property="Focusable"                    Value="False" />         </Trigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: GroupLevelIndicator    ************************** -->   <ControlTemplate x:Key="tableflowViewGroupLevelIndicatorTemplate"                    TargetType="local:GroupLevelIndicator">      <Border Background="{TemplateBinding Background}"              BorderBrush="{TemplateBinding BorderBrush}"              BorderThickness="{TemplateBinding BorderThickness}"              Padding="{TemplateBinding Padding}" />   </ControlTemplate>   <!--**************************    * TEMPLATE: DetailIndicator    ************************** -->   <ControlTemplate x:Key="tableflowViewDetailIndicatorTemplate"                    TargetType="local:DetailIndicator">      <Border Background="{TemplateBinding Background}"              BorderBrush="{TemplateBinding BorderBrush}"              BorderThickness="{TemplateBinding BorderThickness}"              Padding="{TemplateBinding Padding}" />   </ControlTemplate>   <!--**************************    * TEMPLATE: GroupLevelIndicatorPane    ************************** -->   <ControlTemplate x:Key="tableflowViewGroupLevelIndicatorPaneTemplate"                    TargetType="local:GroupLevelIndicatorPane">      <Grid>         <Border x:Name="horizontalBorder"                 Background="{TemplateBinding Background}"                 BorderBrush="{TemplateBinding BorderBrush}"                 BorderThickness="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).HorizontalGridLineThickness, Converter={StaticResource thicknessConverter}, ConverterParameter=‘Top‘}" />         <Border x:Name="verticalBorder"                 BorderBrush="{TemplateBinding BorderBrush}"                 Padding="{TemplateBinding Padding}"                 BorderThickness="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).VerticalGridLineThickness, Converter={StaticResource thicknessConverter}, ConverterParameter=‘Left‘}">            <StackPanel x:Name="PART_GroupLevelIndicatorHost"                        Orientation="Horizontal" />         </Border>      </Grid>      <ControlTemplate.Triggers>         <MultiTrigger>            <MultiTrigger.Conditions>               <Condition Property="IsLeaf"                          Value="True" />               <Condition Property="views:ViewBase.IsLastItem"                          Value="True" />               <Condition Property="local:DataGridControl.HasExpandedDetails"                          Value="False" />            </MultiTrigger.Conditions>            <Setter TargetName="horizontalBorder"                    Property="BorderThickness"                    Value="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).HorizontalGridLineThickness, Converter={StaticResource thicknessConverter}, ConverterParameter=‘Top, Bottom‘}" />            <Setter TargetName="verticalBorder"                    Property="Margin"                    Value="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).HorizontalGridLineThickness, Converter={StaticResource thicknessConverter}, ConverterParameter=‘Bottom‘}" />         </MultiTrigger>         <MultiTrigger>            <MultiTrigger.Conditions>               <Condition Property="CurrentIndicatorCount"                          Value="0" />               <Condition Property="IsLeaf"                          Value="False" />            </MultiTrigger.Conditions>            <Setter TargetName="verticalBorder"                    Property="BorderThickness"                    Value="0" />         </MultiTrigger>         <Trigger Property="ShowVerticalBorder"                  Value="False">            <Setter TargetName="verticalBorder"                    Property="BorderThickness"                    Value="0" />         </Trigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: HierarchicalGroupLevelIndicatorPane    ************************** -->   <ControlTemplate x:Key="tableflowViewHierarchicalGroupLevelIndicatorPaneTemplate"                    TargetType="local:HierarchicalGroupLevelIndicatorPane">      <Border BorderBrush="{TemplateBinding BorderBrush}"              BorderThickness="{TemplateBinding BorderThickness}">         <StackPanel x:Name="PART_GroupLevelIndicatorHost"                     Orientation="Horizontal" />      </Border>   </ControlTemplate>   <!--**************************    * TEMPLATE: HierarchicalGroupByControl    ************************** -->   <!-- DataTemplate for DataGridContext displayed inside the HierarchicalGroupByControl -->   <HierarchicalDataTemplate x:Key="dataGridContextTemplate"                             DataType="{x:Type local:DataGridContext}"                             ItemsSource="{Binding Path=DetailConfigurations}">      <local:HierarchicalGroupByControlNode x:Name="groupByControlNode"                                            ItemsSource="{Binding Path=GroupLevelDescriptions}"                                            Title="{Binding Path=SourceDetailConfiguration.Title}" />      <!-- Trigger to bind Title to the DataGridContext.DataGridControl.ItemsSourceName if DataGridContext.ParentDataGridContext is null -->      <HierarchicalDataTemplate.Triggers>         <DataTrigger Binding="{Binding Path=SourceDetailConfiguration}"                      Value="{x:Null}">            <Setter TargetName="groupByControlNode"                    Property="Title">               <Setter.Value>                  <Binding Path="DataGridControl.ItemsSourceName" />               </Setter.Value>            </Setter>         </DataTrigger>      </HierarchicalDataTemplate.Triggers>   </HierarchicalDataTemplate>   <!-- DataTemplate for DetailConfiguration displayed inside the HierarchicalGroupByControlNode -->   <HierarchicalDataTemplate x:Key="detailConfigurationTemplate"                             DataType="{x:Type local:DetailConfiguration}"                             ItemsSource="{Binding Path=DetailConfigurations}">      <local:HierarchicalGroupByControlNode ItemsSource="{Binding Path=GroupLevelDescriptions}"                                            Title="{Binding Title}" />   </HierarchicalDataTemplate>   <conv:TypeToVisibilityConverter x:Key="notDetailConfigConverter"                                   Visibility="Visible"                                   SetVisibilityWhenTrue="False" />   <BooleanToVisibilityConverter x:Key="booleanToVisibilityConverter" />   <!-- TreeViewItem Style to avoid displaying Expander and avoid selection and click -->   <Style x:Key="hierarchicalGroupByControlTreeViewItemStyle"          TargetType="{x:Type TreeViewItem}">      <Setter Property="IsExpanded"              Value="True" />      <Setter Property="Focusable"              Value="False" />      <Setter Property="Visibility">         <Setter.Value>            <PriorityBinding>               <Binding Path="."                        Converter="{StaticResource notDetailConfigConverter}"                        ConverterParameter="{x:Type local:DetailConfiguration}" />               <Binding Path="Visible"                        Converter="{StaticResource booleanToVisibilityConverter}" />            </PriorityBinding>         </Setter.Value>      </Setter>      <Setter Property="Template">         <Setter.Value>            <ControlTemplate TargetType="{x:Type TreeViewItem}">               <Grid>                  <Grid.ColumnDefinitions>                     <!--This ColumnDefinition is required for stair spacing-->                     <ColumnDefinition Width="19" />                     <ColumnDefinition Width="Auto" />                     <ColumnDefinition Width="*" />                  </Grid.ColumnDefinitions>                  <Grid.RowDefinitions>                     <RowDefinition Height="Auto" />                     <RowDefinition />                  </Grid.RowDefinitions>                  <Border BorderThickness="{TemplateBinding Border.BorderThickness}"                          Padding="{TemplateBinding Control.Padding}"                          BorderBrush="{TemplateBinding Border.BorderBrush}"                          Background="{TemplateBinding Panel.Background}"                          Name="treeViewItemBorder"                          SnapsToDevicePixels="True"                          Grid.Column="1">                     <!--Will contain DetailGroupByConrol-->                     <ContentPresenter Content="{TemplateBinding HeaderedContentControl.Header}"                                       ContentTemplate="{TemplateBinding HeaderedContentControl.HeaderTemplate}"                                       ContentSource="Header"                                       Name="PART_Header"                                       HorizontalAlignment="{TemplateBinding Control.HorizontalContentAlignment}"                                       SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" />                  </Border>                  <ItemsPresenter Name="ItemsHost"                                  Grid.Column="1"                                  Grid.Row="1"                                  Grid.ColumnSpan="2" />               </Grid>            </ControlTemplate>         </Setter.Value>      </Setter>   </Style>   <ControlTemplate x:Key="tableflowViewCommonHierarchicalGroupByControlTemplate"                    TargetType="local:HierarchicalGroupByControl">      <ControlTemplate.Resources>         <!--this style is set to avoid having implicit treeview style             overide the HierarchicalGroupByControl‘s TreeView-->         <Style TargetType="TreeView" />      </ControlTemplate.Resources>      <!-- This Grid is used to layout the GroupLevelIndicatorPane placeholder and the HierarchicalGroupByControl -->      <Grid x:Name="rootGrid">         <Grid.ColumnDefinitions>            <!-- HierarchicalGroupLevelIndicatorPane -->            <ColumnDefinition Width="Auto" />            <!-- GroupLevelIndicatorPane -->            <ColumnDefinition Width="Auto" />            <!-- HierarchicalGroupByControl -->            <ColumnDefinition Width="*" />         </Grid.ColumnDefinitions>         <!-- The border responsible for the visual outline of the row (gridlines and background)              spans the GroupLevelIndicatorPane and CellsHost Panel. Those 2 elements are not children of              the Border because we don‘t want the border to be displayed in the GroupLevelIndicatorPane. -->         <Border x:Name="rootBorder"                 Grid.Column="1"                 Grid.ColumnSpan="2"                 Background="{TemplateBinding Background}"                 BorderBrush="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).HorizontalGridLineBrush}"                 BorderThickness="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).HorizontalGridLineThickness,Converter={StaticResource thicknessConverter},ConverterParameter=‘Top‘}"                 Padding="{TemplateBinding Padding}" />         <Border x:Name="verticalGridLineBorder"                 Grid.Column="1"                 Grid.ColumnSpan="2"                 BorderBrush="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).VerticalGridLineBrush}"                 BorderThickness="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).VerticalGridLineThickness,Converter={StaticResource thicknessConverter},ConverterParameter=‘Right‘}" />         <local:HierarchicalGroupLevelIndicatorPane Grid.Column="0" />         <!-- GroupLevelIndicatorPane is a placeholder for individual GroupLevelIndicator elements that are added                       whenever this Row is part of a group. -->         <local:GroupLevelIndicatorPane x:Name="groupLevelIndicatorPane"                                        Grid.Column="1" />         <StackPanel Grid.Column="2"                     Orientation="Horizontal">            <TreeView x:Name="PART_HierarchicalGroupByControlTreeView"                      ItemContainerStyle="{StaticResource hierarchicalGroupByControlTreeViewItemStyle}"                      Background="Transparent"                      BorderBrush="Transparent"                      Focusable="False">               <TreeViewItem Header="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext)}"                             HeaderTemplate="{StaticResource dataGridContextTemplate}"                             ItemsSource="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).DetailConfigurations}"                             ItemTemplate="{StaticResource detailConfigurationTemplate}"                             ItemContainerStyle="{StaticResource hierarchicalGroupByControlTreeViewItemStyle}"                             IsExpanded="True" />            </TreeView>            <ContentPresenter x:Name="noGroupContentPresenter"                              Content="{TemplateBinding NoGroupContent}"                              VerticalAlignment="Center"                              Visibility="Collapsed"                              Margin="5,0,0,0" />         </StackPanel>      </Grid>      <ControlTemplate.Triggers>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=HasGroups}"                      Value="True">            <Setter TargetName="noGroupContentPresenter"                    Property="Visibility"                    Value="Visible" />         </DataTrigger>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(local:GroupLevelIndicatorPane.GroupLevel)}"                      Value="-1">            <Setter TargetName="groupLevelIndicatorPane"                    Property="Visibility"                    Value="Collapsed" />            <Setter TargetName="verticalGridLineBorder"                    Property="BorderThickness"                    Value="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).VerticalGridLineThickness,Converter={StaticResource thicknessConverter},ConverterParameter=‘Right, Left‘}" />         </DataTrigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <ControlTemplate x:Key="tableflowViewCommonHierarchicalGroupByControlOldGroupByControlTemplate"                    TargetType="local:HierarchicalGroupByControl">      <!-- This Grid is used to layout the GroupLevelIndicatorPane placeholder and the HierarchicalGroupByControl -->      <Grid x:Name="rootGrid">         <Grid.ColumnDefinitions>            <!-- HierarchicalGroupLevelIndicatorPane -->            <ColumnDefinition Width="Auto" />            <!-- GroupLevelIndicatorPane -->            <ColumnDefinition Width="Auto" />            <!-- HierarchicalGroupByControl -->            <ColumnDefinition Width="*" />         </Grid.ColumnDefinitions>         <!-- The border responsible for the visual outline of the row (gridlines and background)              spans the GroupLevelIndicatorPane and CellsHost Panel. Those 2 elements are not children of              the Border because we don‘t want the border to be displayed in the GroupLevelIndicatorPane. -->         <Border x:Name="rootBorder"                 Grid.Column="1"                 Grid.ColumnSpan="2"                 Background="{TemplateBinding Background}"                 BorderBrush="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).HorizontalGridLineBrush}"                 BorderThickness="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).HorizontalGridLineThickness,Converter={StaticResource thicknessConverter},ConverterParameter=‘Top‘}"                 Padding="{TemplateBinding Padding}" />         <Border x:Name="verticalGridLineBorder"                 Grid.Column="1"                 Grid.ColumnSpan="2"                 BorderBrush="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).VerticalGridLineBrush}"                 BorderThickness="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).VerticalGridLineThickness,Converter={StaticResource thicknessConverter},ConverterParameter=‘Right‘}" />         <local:HierarchicalGroupLevelIndicatorPane Grid.Column="0" />         <!-- GroupLevelIndicatorPane is a placeholder for individual GroupLevelIndicator elements that are added                       whenever this Row is part of a group. -->         <local:GroupLevelIndicatorPane x:Name="groupLevelIndicatorPane"                                        Grid.Column="1" />         <local:GroupByControl Grid.Column="2"                               BorderBrush="{TemplateBinding BorderBrush}"                               Background="{TemplateBinding Background}"                               BorderThickness="{TemplateBinding BorderThickness}"                               AllowGroupingModification="{TemplateBinding AllowGroupingModification}"                               AllowSort="{TemplateBinding AllowSort}"                               ConnectionLinePen="{TemplateBinding ConnectionLinePen}"                               NoGroupContent="{TemplateBinding NoGroupContent}"                               views:TableView.CanScrollHorizontally="True" />      </Grid>      <ControlTemplate.Triggers>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(local:GroupLevelIndicatorPane.GroupLevel)}"                      Value="-1">            <Setter TargetName="groupLevelIndicatorPane"                    Property="Visibility"                    Value="Collapsed" />            <Setter TargetName="verticalGridLineBorder"                    Property="BorderThickness"                    Value="{Binding RelativeSource={RelativeSource Self},Path=(local:DataGridControl.DataGridContext).VerticalGridLineThickness,Converter={StaticResource thicknessConverter},ConverterParameter=‘Right, Left‘}" />         </DataTrigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: HierarchicalGroupByControlNode    ************************** -->   <ControlTemplate x:Key="tableflowViewHierarchicalGroupByControlNodeTemplate"                    TargetType="local:HierarchicalGroupByControlNode">      <StackPanel Orientation="Horizontal"                  Background="{TemplateBinding Background}">         <TextBlock x:Name="titleTextBlock"                    Text="{TemplateBinding Title}"                    Margin="0,0,10,0" />         <ItemsPresenter Margin="0,0,0,10" />      </StackPanel>   </ControlTemplate>   <!--**************************    * TEMPLATE: HierarchicalGroupByItem    ************************** -->   <ControlTemplate x:Key="tableflowViewHierarchicalGroupByItemTemplate"                    TargetType="local:HierarchicalGroupByItem">      <Border x:Name="outerBorder"              BorderBrush="{DynamicResource {x:Static SystemColors.ControlDarkDarkBrushKey}}"              Background="{DynamicResource {x:Static SystemColors.ControlLightLightBrushKey}}"              BorderThickness="0,0,1,1"              Padding="1,1,0,0">         <Border x:Name="innerBorder"                 BorderBrush="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}"                 BorderThickness="0,0,1,1"                 Margin="1,1,0,0"                 Background="{TemplateBinding Background}"                 Padding="{TemplateBinding Padding}">            <!-- This StackPanel is used to layout the ContentPresenter and the Sort Glyph (when present). -->            <StackPanel x:Name="contentPanel"                        Orientation="Horizontal">               <!-- Same ContentPresenter as in the base Cell Template. -->               <ContentPresenter Content="{TemplateBinding Content}"                                 ContentTemplate="{TemplateBinding ContentTemplate}"                                 ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}"                                 HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"                                 VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />               <!-- ContentPresenter that is used to display the sort glyph.                    We explicitly set its Content property to Null to prevent the XAML parser                    from implicitly setting it to its TemplatedParent‘s Content. -->               <ContentPresenter x:Name="sortGlyphPresenter"                                 Content="{x:Null}"                                 ContentTemplate="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).AscendingSortGlyph}"                                 Margin="6,0,0,0"                                 Visibility="Hidden" />            </StackPanel>         </Border>      </Border>      <ControlTemplate.Triggers>         <Trigger Property="IsPressed"                  Value="True">            <Setter TargetName="outerBorder"                    Property="BorderBrush"                    Value="{DynamicResource {x:Static SystemColors.ControlDarkDarkBrushKey}}" />            <Setter TargetName="outerBorder"                    Property="BorderThickness"                    Value="1" />            <Setter TargetName="outerBorder"                    Property="Padding"                    Value="0" />            <Setter TargetName="innerBorder"                    Property="BorderThickness"                    Value="1" />            <Setter TargetName="innerBorder"                    Property="Margin"                    Value="0" />            <Setter TargetName="contentPanel"                    Property="Margin"                    Value="1,1,-1,-1" />         </Trigger>         <!-- The following 2 triggers allow the appropriate Sort Glyph to be displayed              depending on the ParentColumn‘s SortDirection. -->         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=SortDirection}"                      Value="Ascending">            <Setter TargetName="sortGlyphPresenter"                    Property="ContentPresenter.ContentTemplate"                    Value="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).AscendingSortGlyph}" />            <Setter TargetName="sortGlyphPresenter"                    Property="Visibility"                    Value="Visible" />         </DataTrigger>         <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=SortDirection}"                      Value="Descending">            <Setter TargetName="sortGlyphPresenter"                    Property="ContentPresenter.ContentTemplate"                    Value="{Binding RelativeSource={RelativeSource Self}, Path=(local:DataGridControl.DataGridContext).DescendingSortGlyph}" />            <Setter TargetName="sortGlyphPresenter"                    Property="Visibility"                    Value="Visible" />         </DataTrigger>      </ControlTemplate.Triggers>   </ControlTemplate>   <!--**************************    * TEMPLATE: ScrollTip    ************************** -->   <ControlTemplate x:Key="tableflowViewScrollTipTemplate"                    TargetType="{x:Type local:ScrollTip}">      <ContentPresenter VerticalAlignment="Center"                        HorizontalAlignment="Right"                        Content="{TemplateBinding Content}"                        ContentTemplate="{TemplateBinding ContentTemplate}"                        ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}" />   </ControlTemplate></ResourceDictionary>