<Path Stroke="Red" StrokeThickness="1" Margin="10" StrokeDashCap="Round">  <Path.Data>   <GeometryGroup>    <PathGeometry Figures="M 4,40 A 16,13 0 1 1 10,45 L 3,48 Z" />   </GeometryGroup>  </Path.Data></Path>

<Path Stroke="Red" StrokeThickness="1" StrokeDashCap="Round" Margin="50">  <Path.Data>   <GeometryGroup>    <PathGeometry Figures="M 12,30 A 6,10 0 1 1 18,30 L 30,40 L 30,45 L 0,45 L 0,40Z" />    <PathGeometry Figures="M 25,25 L 35,25"/>    <PathGeometry Figures="M 28,30 L 35,30"/>    <PathGeometry Figures="M 32,35 L 35,35"/>   </GeometryGroup>  </Path.Data></Path>

 <!--聊天按鈕的樣式--> <Style x:Key="ChatStyle" TargetType="{x:Type RadioButton}">  <Setter Property="FocusVisualStyle" Value="{StaticResource ButtonFocusVisual}"/>  <Setter Property="Background" Value="Transparent"/>  <Setter Property="BorderBrush" Value="Transparent"/>  <Setter Property="BorderThickness" Value="0"/>  <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>  <Setter Property="HorizontalContentAlignment" Value="Center"/>  <Setter Property="VerticalContentAlignment" Value="Center"/>  <Setter Property="Padding" Value="1"/>  <Setter Property="Template">   <Setter.Value>    <ControlTemplate TargetType="{x:Type RadioButton}">     <Border>      <Path x:Name="btnPath" StrokeThickness="1" Stroke="Gray" Fill="#FF3E3E40">       <Path.Data>        <GeometryGroup>         <PathGeometry Figures="M 4,40 A 16,13 0 1 1 10,45 L 3,48 Z" />        </GeometryGroup>       </Path.Data>      </Path>     </Border>     <ControlTemplate.Triggers>      <Trigger Property="IsChecked" Value="true">       <Setter Property="Fill" Value="#FF14D212" TargetName="btnPath"/>       <Setter Property="Stroke" Value="#FF14D212" TargetName="btnPath"/>      </Trigger>      <Trigger Property="IsMouseOver" Value="true">       <Setter Property="Stroke" Value="White" TargetName="btnPath"/>      </Trigger>      <MultiTrigger>       <MultiTrigger.Conditions>        <Condition Property="IsChecked" Value="true"/>        <Condition Property="IsMouseOver" Value="true"/>       </MultiTrigger.Conditions>       <MultiTrigger.Setters>        <Setter Property="Stroke" Value="#FF14D212" TargetName="btnPath"/>       </MultiTrigger.Setters>      </MultiTrigger>     </ControlTemplate.Triggers>    </ControlTemplate>   </Setter.Value>  </Setter> </Style> <!--通訊錄的樣式--> <Style x:Key="FriendStyle" TargetType="{x:Type RadioButton}">  <Setter Property="FocusVisualStyle" Value="{StaticResource ButtonFocusVisual}"/>  <Setter Property="Background" Value="Transparent"/>  <Setter Property="BorderBrush" Value="Transparent"/>  <Setter Property="BorderThickness" Value="0"/>  <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>  <Setter Property="HorizontalContentAlignment" Value="Center"/>  <Setter Property="VerticalContentAlignment" Value="Center"/>  <Setter Property="Padding" Value="1"/>  <Setter Property="Template">   <Setter.Value>    <ControlTemplate TargetType="{x:Type RadioButton}">     <Border>      <Path x:Name="btnPath" StrokeThickness="1" Stroke="Gray" Fill="#FF3E3E40">       <Path.Data>        <GeometryGroup>         <PathGeometry Figures="M 12,30 A 6,10 0 1 1 18,30 L 30,40 L 30,45 L 0,45 L 0,40Z" />         <PathGeometry Figures="M 25,25 L 35,25"/>         <PathGeometry Figures="M 28,30 L 35,30"/>         <PathGeometry Figures="M 32,35 L 35,35"/>        </GeometryGroup>       </Path.Data>      </Path>     </Border>     <ControlTemplate.Triggers>      <Trigger Property="IsChecked" Value="true">       <Setter Property="Fill" Value="#FF14D212" TargetName="btnPath"/>       <Setter Property="Stroke" Value="#FF14D212" TargetName="btnPath"/>      </Trigger>      <Trigger Property="IsMouseOver" Value="true">       <Setter Property="Stroke" Value="White" TargetName="btnPath"/>      </Trigger>      <MultiTrigger>       <MultiTrigger.Conditions>        <Condition Property="IsChecked" Value="true"/>        <Condition Property="IsMouseOver" Value="true"/>       </MultiTrigger.Conditions>       <MultiTrigger.Setters>        <Setter Property="Stroke" Value="#FF14D212" TargetName="btnPath"/>       </MultiTrigger.Setters>      </MultiTrigger>     </ControlTemplate.Triggers>    </ControlTemplate>   </Setter.Value>  </Setter> </Style>