<Window x:Class="WpfApplication9.MainWindow"        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"        Title="MainWindow" Height="350" Width="525">    <Window.Resources>        <Style x:Key="NewFolderButtonStyle" TargetType="{x:Type Button}">            <Setter Property="Template">                <Setter.Value>                    <ControlTemplate TargetType="{x:Type Button}">                        <Grid x:Name="ContentContainer">                            <!--设置背景-->                            <Image Name="IMG_BK" Stretch="Fill"  Source="Image/2.png"/>                            <Image Stretch="None" Margin="5"  Source="/WpfApplication9;component/Image/fold.png" VerticalAlignment="Center" HorizontalAlignment="Left"></Image>                            <TextBlock Margin="10 0 0 0" VerticalAlignment="Center" HorizontalAlignment="Center">新建文件夹</TextBlock>                        </Grid>                        <ControlTemplate.Triggers>                            <Trigger Property="IsMouseOver" Value="true">                                <Setter Property="Source" TargetName="IMG_BK" Value="Image/1.png"/>                            </Trigger>                            <Trigger Property="IsPressed" Value="true">                                <Setter Property="Source" TargetName="IMG_BK" Value="Image/1.png"/>                            </Trigger>                        </ControlTemplate.Triggers>                    </ControlTemplate>                </Setter.Value>            </Setter>        </Style>    </Window.Resources>    <Grid>        <Button Foreground="Black" Height="31" HorizontalAlignment="Left" Margin="141,174,0,0" Name="button1" VerticalAlignment="Top" Width="112" Style="{DynamicResource NewFolderButtonStyle}"/>    </Grid></Window>