大家用的上的就直接用吧，就是一些小知识，不说废话了，用过了，帮忙支持一下就行，谢谢：

<DataTemplate x:Key="dragelementTemplate">

                <Grid>

                    <StackPanel>

                        <Image Source="/MapSolution;component/Images/qOrange.png" Width="24" Height="24" Margin="2" Visibility="{Binding Path=DraggingRows[0].Content.IsGunCamera,Converter={StaticResource int2CollosedConverter}}"/>

                        <Image Source="/MapSolution;component/Images/oOrange.png" Width="24" Height="24" Margin="2" Visibility="{Binding Path=DraggingRows[0].Content.IsGunCamera,Converter={StaticResource int2VisibilityConverter}}"/>

                        <TextBlock FontFamily="微软雅黑" FontSize="24" Text="{Binding Path=DraggingRows[0].Content.Name}"/>

                    </StackPanel>

                </Grid>

            </DataTemplate>

<dxg:TreeListControl x:Name="treeList" Grid.Row="2" ItemsSource="{Binding Ships}" ShowBorder="False"

                               SelectionMode="{Binding SelectionMode}" FilterCriteria="{Binding FilterCriteria, ElementName=searchControl}">

                <dxg:TreeListControl.Columns>

                    <dxg:TreeListColumn FieldName="CameraID" VisibleIndex="0" Header="编码"/>

                    <dxg:TreeListColumn FieldName="Name" VisibleIndex="1" Header="名称"/>

                    <!--<dxg:TreeListColumn FieldName="FullName" UnboundType="String"

                                    UnboundExpression="[FirstName] + ‘ ‘ + [LastName]" VisibleIndex="1" ReadOnly="True" />

                    <dxg:TreeListColumn FieldName="City" VisibleIndex="2" />

                    <dxg:TreeListColumn FieldName="AddressLine1" Header="Address" VisibleIndex="3" />

                    <dxg:TreeListColumn FieldName="Phone" VisibleIndex="4" />-->

                </dxg:TreeListControl.Columns>

                <dxg:TreeListControl.TotalSummary>

                    <dxg:TreeListSummaryItem FieldName="CameraID" SummaryType="Count"/>

                </dxg:TreeListControl.TotalSummary>

                <dxg:TreeListControl.View>

                    <dxg:TreeListView x:Name="view"

                                  ParentFieldName="ParentID" KeyFieldName="NodeID"

                                  EditorShowMode="MouseUpFocused" AutoExpandAllNodes="True" NodeImageSelector="{StaticResource categoryImageSelector}"

                                  AutoWidth="True" ShowTotalSummary="True" ShowFilterPanelMode="Never" ShowNodeImages="True" ShowColumnHeaders="False" ShowIndicator="False" ShowHorizontalLines="False" ShowVerticalLines="False">

                    </dxg:TreeListView>

                </dxg:TreeListControl.View>

                <i:Interaction.Behaviors>

                    <dxg:TreeListDragDropManager x:Name="dragDropManager" AllowDrag="True" DragOver="dragDropManager_DragOver_1" DragElementTemplate="{StaticResource dragelementTemplate}">

                    </dxg:TreeListDragDropManager>

                </i:Interaction.Behaviors>

            </dxg:TreeListControl>

private void dragDropManager_DragOver_1(object sender, DevExpress.Xpf.Grid.DragDrop.TreeListDragOverEventArgs e)

        {

            e.ShowDragInfo = true;

e.ShowDropMarker = true;

        }