WPF样式

   <!--样式设置-->
    <Window.Resources>
        <Style x:Key="defaultstyle1" TargetType="Button">
            <Setter Property="Background" Value="Red" />
        </Style>
        <!--继承背景颜色-->
        <Style x:Key="defaultstyle2" TargetType="Button" BasedOn="{StaticResource defaultstyle1}">
            <Setter Property="FontSize" Value="30" />
        </Style>
    </Window.Resources>
    <Grid ShowGridLines="True">
        <StackPanel>
            <Button Style="{StaticResource defaultstyle2}" Content="Hello" Width="80" Height="40" />
            <Button Style="{StaticResource defaultstyle2}" Content="Hello" Width="80" Height="40" />
            <Button Style="{StaticResource defaultstyle2}" Content="Hello" Width="80" Height="40" />
            <Button Style="{StaticResource defaultstyle2}" Content="Hello" Width="80" Height="40" />
        </StackPanel>
    </Grid>