WPF Expander style

    <!--ExpanderStyle-->
            <Style x:Key="ExpanderStyleOne" TargetType="{x:Type Expander}">
                <Setter Property="Foreground" Value="#FF217cb5"/>
                <Setter Property="FontFamily" Value="宋体" />
                <Setter Property="FontSize" Value="14" />
                <Setter Property="Background" Value="Transparent"/>
                <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
                <Setter Property="VerticalContentAlignment" Value="Stretch"/>
                <Setter Property="BorderBrush" Value="Transparent"/>
                <Setter Property="BorderThickness" Value="0"/>
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type Expander}">
                            <Canvas Background="{TemplateBinding Background}" SnapsToDevicePixels="true">
                                <ToggleButton x:Name="HeaderSite"
                          Canvas.Top="0"
                          ContentTemplate="{TemplateBinding HeaderTemplate}"
                          ContentTemplateSelector="{TemplateBinding HeaderTemplateSelector}"
                          Content="{TemplateBinding Header}"
                          IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"
                          Style="{DynamicResource ToggleButtonStyleOne}"/>
                                <Border x:Name="ExpandSite"  HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                        VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                        Visibility="Collapsed"
                                        Canvas.Top="56" Canvas.Left="0"
                                        Focusable="false"
                                        BorderBrush="{TemplateBinding BorderBrush}"
                                        BorderThickness="{TemplateBinding BorderThickness}"
                                        Width="{Binding ElementName=HeaderSite,Path=Width}"
                                        Background="#FF6a8d9c">
                                    <ContentPresenter Margin="0 0"
                                    HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                    VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
                                </Border>
                            </Canvas>
                            <ControlTemplate.Triggers>
                                <Trigger Property="IsExpanded" Value="False">
                                    <Setter Property="Visibility" TargetName="ExpandSite" Value="Visible"/>
                                </Trigger>
                                <Trigger Property="IsEnabled" Value="false">
                                    <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                                </Trigger>
                            </ControlTemplate.Triggers>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
            <Style x:Key="ToggleButtonStyleOne" TargetType="{x:Type ToggleButton}">
                <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
                <Setter Property="Width" Value="285"/>
                <Setter Property="Height" Value="56" />
                <Setter Property="Background" Value="{DynamicResource ReviewGridbackground}" />
                <Setter Property="Foreground" Value="#FF217cb5"/>
                <Setter Property="FontSize" Value="14" />
                <Setter Property="FontFamily" Value="宋体" />
                <Setter Property="FontWeight" Value="Bold" />
                <Setter Property="BorderThickness" Value="0"/>
                <Setter Property="HorizontalContentAlignment" Value="Left"/>
                <Setter Property="VerticalContentAlignment" Value="Center"/>
                <Setter Property="Padding" Value="0 0"/>
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type ToggleButton}">
                            <Canvas Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"
                                Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
                                <Canvas x:Name="canvNormal" Visibility="Visible"
                                 Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"
                                 Background="{TemplateBinding Background}" SnapsToDevicePixels="True" Canvas.Right="0">
                                    <Button Width="235" Height="56" Opacity="0"/>
                                    <Rectangle Width="15" Height="56" Fill="#4a5f6a" Canvas.Right="0"/>
                                    <Image Source="../Image/1.PNG"  Margin="235,0,0,0" Height="55"  Width="15"/>
                                    <!--<Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592L13.494,10.697z" Fill="#297eb4" Canvas.Right="4" Canvas.Top="15"/>
                            <Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592L13.494,10.697z" Fill="#297eb4" Canvas.Right="4" Canvas.Top="25"/>-->
                                    <!--<Line X1="0" Y1="0" X2="0" Y2="15" Stroke="#297eb4" StrokeThickness="3"
                                    Margin="6 10" StrokeDashArray="1" Canvas.Right="0"/>-->
                                    <!--<Rectangle Width="{TemplateBinding Width}" Height="1" Canvas.Bottom="0" Fill="#FFbacfda" />-->
                                </Canvas>
                                <Canvas x:Name="canvChecked" Visibility="Hidden"
                                 Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"
                                 Background="{TemplateBinding Background}" SnapsToDevicePixels="True" Canvas.Right="0">
                                    <Button Width="235" Height="56" Opacity="0"/>
                                    <Rectangle Width="15" Height="56" Fill="#4a5f6a" Canvas.Right="0"/>
                                    <!--<Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592" Fill="#297eb4" Canvas.Right="4" Canvas.Top="8"/>
                                <Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592" Fill="#297eb4" Canvas.Right="4" Canvas.Top="15"/>-->
                                    <Image Source="../Image/2.PNG"  Margin="235,0,0,0"  Height="55"  Width="15"/>
                                    <!--<Rectangle Width="{TemplateBinding Width}" Height="1" Canvas.Bottom="0" Fill="#FFbacfda" />-->
                                </Canvas>
                                <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                                 Margin="{TemplateBinding Padding}"
                                                 RecognizesAccessKey="True"
                                                 SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
                                                 VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                            </Canvas>

                            <ControlTemplate.Triggers>
                                <!--<Trigger Property="IsPressed" Value="true">
                            <Setter Property="Background" Value="#FFd2e7f4" />
                        </Trigger>-->
                                <Trigger Property="IsChecked" Value="true">
                                    <Setter Property="Visibility" TargetName="canvChecked" Value="Visible" />
                                    <Setter Property="Visibility" TargetName="canvNormal" Value="Hidden" />
                                </Trigger>
                                <!--<Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                        </Trigger>-->
                            </ControlTemplate.Triggers>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
            <Style x:Key="ExpanderStyleTwo" TargetType="{x:Type Expander}">
                <Setter Property="Foreground" Value="#FF217cb5"/>
                <Setter Property="FontFamily" Value="宋体" />
                <Setter Property="FontSize" Value="14" />
                <Setter Property="Background" Value="Transparent"/>
                <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
                <Setter Property="VerticalContentAlignment" Value="Stretch"/>
                <Setter Property="BorderBrush" Value="Transparent"/>
                <Setter Property="BorderThickness" Value="0"/>
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type Expander}">
                            <Canvas Background="{TemplateBinding Background}" SnapsToDevicePixels="true">
                                <ToggleButton x:Name="HeaderSite"
                          Canvas.Top="0"
                          ContentTemplate="{TemplateBinding HeaderTemplate}"
                          ContentTemplateSelector="{TemplateBinding HeaderTemplateSelector}"
                          Content="{TemplateBinding Header}"
                          IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"
                          Style="{DynamicResource ToggleButtonStyleTwo}"/>
                                <Border x:Name="ExpandSite"  HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                        VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                        Visibility="Collapsed"
                                        Canvas.Top="35" Canvas.Left="0"
                                        Focusable="false"
                                        BorderBrush="{TemplateBinding BorderBrush}"
                                        BorderThickness="{TemplateBinding BorderThickness}"
                                        Width="{Binding ElementName=HeaderSite,Path=Width}"
                                        Background="#4a5f6a">
                                    <ContentPresenter Margin="0 0"
                                    HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                    VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
                                </Border>
                            </Canvas>
                            <ControlTemplate.Triggers>
                                <Trigger Property="IsExpanded" Value="False">
                                    <Setter Property="Visibility" TargetName="ExpandSite" Value="Visible"/>
                                </Trigger>
                                <Trigger Property="IsEnabled" Value="false">
                                    <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                                </Trigger>
                            </ControlTemplate.Triggers>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
            <Style x:Key="ToggleButtonStyleTwo" TargetType="{x:Type ToggleButton}">
                <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
                <Setter Property="Width" Value="250"/>
                <Setter Property="Height" Value="56" />
                <Setter Property="Background" Value="{DynamicResource ReviewGridbackground}" />
                <Setter Property="Foreground" Value="#FF217cb5"/>
                <Setter Property="FontSize" Value="14" />
                <Setter Property="FontFamily" Value="宋体" />
                <Setter Property="FontWeight" Value="Bold" />
                <Setter Property="BorderThickness" Value="0"/>
                <Setter Property="HorizontalContentAlignment" Value="Left"/>
                <Setter Property="VerticalContentAlignment" Value="Center"/>
                <Setter Property="Padding" Value="0 0"/>
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type ToggleButton}">
                            <Canvas Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"
                                Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
                                <Canvas x:Name="canvNormal" Visibility="Visible"
                                 Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"
                                 Background="{TemplateBinding Background}" SnapsToDevicePixels="True" Canvas.Right="0">
                                    <Button Width="250" Height="{TemplateBinding Height}" Opacity="0"/>
                                    <!--<Rectangle Width="15" Height="35" Fill="#FFc7ebff" Canvas.Right="0"/>-->
                                    <!--<Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592L13.494,10.697z" Fill="#297eb4" Canvas.Right="4" Canvas.Top="8"/>
                            <Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592L13.494,10.697z" Fill="#297eb4" Canvas.Right="4" Canvas.Top="15"/>-->
                                    <!--<Line X1="0" Y1="0" X2="0" Y2="15" Stroke="#297eb4" StrokeThickness="3"
                                    Margin="6 10" StrokeDashArray="1" Canvas.Right="0"/>-->
                                </Canvas>
                                <Canvas x:Name="canvChecked" Visibility="Hidden"
                                 Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"
                                 Background="{TemplateBinding Background}" SnapsToDevicePixels="True" Canvas.Right="0">
                                    <Button Width="250" Height="{TemplateBinding Height}" Opacity="0"/>
                                    <!--<Rectangle Width="15" Height="35" Fill="#FFc7ebff" Canvas.Right="0"/>-->
                                    <!--<Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592" Fill="#297eb4" Canvas.Right="4" Canvas.Top="8"/>
                                <Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592" Fill="#297eb4" Canvas.Right="4" Canvas.Top="15"/>-->
                                    <!--<Image Source="image/1.PNG"  Margin="228,-1,0,0"/>-->
                                    <Rectangle Width="{TemplateBinding Width}" Height="1" Canvas.Bottom="0" Fill="#FFbacfda" />
                                </Canvas>
                                <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                                 Margin="{TemplateBinding Padding}"
                                                 RecognizesAccessKey="True"
                                                 SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
                                                 VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                            </Canvas>

                            <!--<ControlTemplate.Triggers>
                        <Trigger Property="IsPressed" Value="true">
                            <Setter Property="Background" Value="#FFd2e7f4" />
                        </Trigger>
                        <Trigger Property="IsChecked" Value="true">
                            <Setter Property="Visibility" TargetName="canvChecked" Value="Visible" />
                            <Setter Property="Visibility" TargetName="canvNormal" Value="Hidden" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                        </Trigger>
                    </ControlTemplate.Triggers>-->
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
            <Style x:Key="ExpanderStyleThree" TargetType="{x:Type Expander}">
                <Setter Property="Foreground" Value="#FF217cb5"/>
                <Setter Property="FontFamily" Value="宋体" />
                <Setter Property="FontSize" Value="14" />
                <Setter Property="Background" Value="Transparent"/>
                <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
                <Setter Property="VerticalContentAlignment" Value="Stretch"/>
                <Setter Property="BorderBrush" Value="Transparent"/>
                <Setter Property="BorderThickness" Value="0"/>
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type Expander}">
                            <Canvas Background="{TemplateBinding Background}" SnapsToDevicePixels="true">
                                <ToggleButton x:Name="HeaderSite"
                          Canvas.Top="0"
                          ContentTemplate="{TemplateBinding HeaderTemplate}"
                          ContentTemplateSelector="{TemplateBinding HeaderTemplateSelector}"
                          Content="{TemplateBinding Header}"
                          IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"
                          Style="{DynamicResource ToggleButtonStyleThree}"/>
                                <Border x:Name="ExpandSite"  HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                        VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                        Visibility="Collapsed"
                                        Canvas.Top="35" Canvas.Left="0"
                                        Focusable="false"
                                        BorderBrush="{TemplateBinding BorderBrush}"
                                        BorderThickness="{TemplateBinding BorderThickness}"
                                        Width="{Binding ElementName=HeaderSite,Path=Width}"
                                        Background="#4a5f6a">
                                    <ContentPresenter Margin="0 0"
                                    HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                    VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
                                </Border>
                            </Canvas>
                            <ControlTemplate.Triggers>
                                <Trigger Property="IsExpanded" Value="False">
                                    <Setter Property="Visibility" TargetName="ExpandSite" Value="Visible"/>
                                </Trigger>
                                <Trigger Property="IsEnabled" Value="false">
                                    <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                                </Trigger>
                            </ControlTemplate.Triggers>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
            <Style x:Key="ToggleButtonStyleThree" TargetType="{x:Type ToggleButton}">
                <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
                <Setter Property="Width" Value="250"/>
                <Setter Property="Height" Value="114" />
                <Setter Property="Background" Value="{DynamicResource ReviewGridbackground}" />
                <Setter Property="Foreground" Value="#FF217cb5"/>
                <Setter Property="FontSize" Value="14" />
                <Setter Property="FontFamily" Value="宋体" />
                <Setter Property="FontWeight" Value="Bold" />
                <Setter Property="BorderThickness" Value="0"/>
                <Setter Property="HorizontalContentAlignment" Value="Left"/>
                <Setter Property="VerticalContentAlignment" Value="Center"/>
                <Setter Property="Padding" Value="0 0"/>
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type ToggleButton}">
                            <Canvas Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"
                                Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
                                <Canvas x:Name="canvNormal" Visibility="Visible"
                                 Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"
                                 Background="{TemplateBinding Background}" SnapsToDevicePixels="True" Canvas.Right="0">
                                    <Button Width="250" Height="{TemplateBinding Height}" Opacity="0"/>
                                    <!--<Rectangle Width="15" Height="35" Fill="#FFc7ebff" Canvas.Right="0"/>-->
                                    <!--<Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592L13.494,10.697z" Fill="#297eb4" Canvas.Right="4" Canvas.Top="8"/>
                            <Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592L13.494,10.697z" Fill="#297eb4" Canvas.Right="4" Canvas.Top="15"/>-->
                                    <!--<Line X1="0" Y1="0" X2="0" Y2="15" Stroke="#297eb4" StrokeThickness="3"
                                    Margin="6 10" StrokeDashArray="1" Canvas.Right="0"/>-->
                                </Canvas>
                                <Canvas x:Name="canvChecked" Visibility="Hidden"
                                 Width="{TemplateBinding Width}" Height="{TemplateBinding Height}"
                                 Background="{TemplateBinding Background}" SnapsToDevicePixels="True" Canvas.Right="0">
                                    <Button Width="250" Height="{TemplateBinding Height}" Opacity="0"/>
                                    <!--<Rectangle Width="15" Height="35" Fill="#FFc7ebff" Canvas.Right="0"/>-->
                                    <!--<Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592" Fill="#297eb4" Canvas.Right="4" Canvas.Top="8"/>
                                <Path Data="M13.494,10.697l-3.497-3.6l-3.497,3.6L6.494,8.328l3.503-3.631l3.48,3.592" Fill="#297eb4" Canvas.Right="4" Canvas.Top="15"/>-->
                                    <!--<Image Source="image/1.PNG"  Margin="228,-1,0,0"/>-->
                                    <Rectangle Width="{TemplateBinding Width}" Height="1" Canvas.Bottom="0" Fill="#4a5f6a" />
                                </Canvas>
                                <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                                 Margin="{TemplateBinding Padding}"
                                                 RecognizesAccessKey="True"
                                                 SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
                                                 VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                            </Canvas>

                            <!--<ControlTemplate.Triggers>
                        <Trigger Property="IsPressed" Value="true">
                            <Setter Property="Background" Value="#FFd2e7f4" />
                        </Trigger>
                        <Trigger Property="IsChecked" Value="true">
                            <Setter Property="Visibility" TargetName="canvChecked" Value="Visible" />
                            <Setter Property="Visibility" TargetName="canvNormal" Value="Hidden" />
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                        </Trigger>
                    </ControlTemplate.Triggers>-->
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>

使用Expander的示例：

 <Expander Name="ExpanderTools" Style="{DynamicResource ExpanderStyleOne}" IsExpanded="True" ExpandDirection="Down">
                    <Expander.Header>
                        <Grid Name="ExpanderToolsHeaderGrid">
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="2"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="2"/>
                            </Grid.ColumnDefinitions>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="5"/>
                                <RowDefinition Height="40"/>
                                <RowDefinition Height="5"/>
                                <RowDefinition/>
                            </Grid.RowDefinitions>
                            <ToggleButton Grid.Column="1" Grid.Row="1"  />
                            <ToggleButton Grid.Column="2" Grid.Row="1" />
                            <Button Grid.Column="3" Grid.Row="1"/>
                            <ToggleButton Grid.Column="4" Grid.Row="1" />
                            <ToggleButton Grid.Column="5" Grid.Row="1" />
                        </Grid>
                    </Expander.Header>
                    <Expander.Content>
                        <Grid Name="ExpanderToolsContentGrid" Background="#4a5f6a">
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="2"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="40"/>
                                <ColumnDefinition Width="2"/>
                            </Grid.ColumnDefinitions>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="5"/>
                                <RowDefinition Height="40"/>
                                <RowDefinition Height="5"/>
                                <RowDefinition Height="40"/>
                                <RowDefinition Height="5"/>
                                <RowDefinition/>
                            </Grid.RowDefinitions>
                            <ToggleButton Grid.Column="1" Grid.Row="1" />
                            <ToggleButton Grid.Column="2" Grid.Row="1" />
                            <ToggleButton Grid.Column="3" Grid.Row="1" />
                            <ToggleButton Grid.Column="4" Grid.Row="1" />
                            <ToggleButton Grid.Column="5" Grid.Row="1" />
                            <ToggleButton Grid.Column="6" Grid.Row="1"/>
                            <ToggleButton Grid.Column="1" Grid.Row="3" />
                        </Grid>
                    </Expander.Content>
                </Expander>

运行效果：

需要注意的是：Expander展开后，有可能会出现Expander内容区域范围到达其他内容区域时，显示其他区域的内容，造成交叉背景显示。

此时需要将被当区域控件的 Panel.ZIndex="-1" 该值设置为负数。

原文地址：https://www.cnblogs.com/runningRain/p/8946035.html

时间： 2024-10-12 19:47:24

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Expander的Header放入Radiobutton,Expander的IsExpanded属性绑定Radiobutton的IsChecked属性,修改Radiobutton样式去掉Radiobutton的选择圆圈.