WPF 美化Button按钮

<Page.Resources>
<Style x:Key="ButtonStyle" TargetType="{x:Type Button}">
<Setter Property="Foreground" Value="White"/>
<Setter Property="Template">
<Setter.Value>
<!--设置样式 -->
<ControlTemplate TargetType="{x:Type Button}">
<Grid>
<Rectangle x:Name="Rectangle" StrokeMiterLimit="1.000000" StrokeThickness="0.500000" RadiusX="10" RadiusY="10">
</Rectangle>
<ContentPresenter x:Name="ContentPresenter" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}" RecognizesAccessKey="True"/>
</Grid>
<!-- 设置鼠标移到关闭按钮上的效果 -->
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Fill" TargetName="Rectangle">
<Setter.Value>
<SolidColorBrush Color="#c0c0c0"></SolidColorBrush>
</Setter.Value>
</Setter>
<Setter Property="Foreground" Value="Black"></Setter>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Page.Resources>

 <Button Name="yb1"   Style="{StaticResource ButtonStyle}" Height="100" Width="100" Margin="2"><Image Source="Image/图形13.png" MouseLeftButtonDown="yb1_Click"></Image></Button>