WPF's Style BasedOn

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 <Style x:Key="BasedStyle" BasedOn="{x:Null}" TargetType="{x:Type Control}">

     <Setter Property="FontFamily" Value="Microsoft YaHei" />

     <Setter Property="FontSize" Value="12" />

     <Setter Property="Foreground" Value="White" />

     <Setter Property="FocusVisualStyle" Value="{x:Null}" />

 </Style>

All Style Based

 <!--引用 BasedStyle-->

 <ResourceDictionary.MergedDictionaries>

     <ResourceDictionary Source="BasedStyle.xaml" />

 </ResourceDictionary.MergedDictionaries>

 <!--示例控件Style Based代码 以下示例为Button-->

 <Style x:Key="ButtonBaseBaseStyle" BasedOn="{StaticResource BasedStyle}" TargetType="{x:Type ButtonBase}">

     <Setter Property="Height" Value="45" />

         <Setter Property="Foreground" Value="{DynamicResource ButtonText}" />

     <Setter Property="Padding" Value="0" />

     <Setter Property="Margin" Value="0" />

     <Setter Property="BorderThickness" Value="1" />

     <Setter Property="HorizontalAlignment" Value="Center" />

     <Setter Property="VerticalAlignment" Value="Center" />

     <Setter Property="HorizontalContentAlignment" Value="Center" />

     <Setter Property="VerticalContentAlignment" Value="Center" />

 </Style>

     <Style x:Key="ButtonBaseStyle" BasedOn="{StaticResource ButtonBaseBaseStyle}" TargetType="{x:Type Button}">

         <Setter Property="Template">

             <Setter.Value>

                 <ControlTemplate TargetType="{x:Type Button}">

                     <Grid>

                         <Border x:Name="border" Padding="{TemplateBinding Padding}" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" />

                         <ContentPresenter Margin="0" HorizontalAlignment="Center" VerticalAlignment="Center" RecognizesAccessKey="true" />

                         <Rectangle x:Name="EnabledLayer" Fill="#4CFFFFFF" Visibility="Collapsed" />

                     </Grid>

                     <ControlTemplate.Triggers>

                         <Trigger Property="IsMouseOver" Value="true">

                             <Setter Property="Background" Value="{DynamicResource ButtonBackgroundHover}" />

                         </Trigger>

                         <Trigger Property="IsPressed" Value="true">

                             <Setter Property="Background" Value="{StaticResource ButtonBackgroundPressed}" />

                         </Trigger>

                         <Trigger Property="IsEnabled" Value="false">

                             <Setter TargetName="EnabledLayer" Property="Visibility" Value="Visible" />

                         </Trigger>

                     </ControlTemplate.Triggers>

                 </ControlTemplate>

             </Setter.Value>

         </Setter>

     </Style>

 <!--示例控件扩展 Style-->

 <Style x:Key="Success" BasedOn="{StaticResource ButtonBaseStyle}" TargetType="{x:Type Button}">

         <Setter Property="Background" Value="{DynamicResource ButtonBackground-Success}" />

         <Setter Property="BorderBrush" Value="{DynamicResource ButtonBorder-Success}" />

         <Style.Triggers>

             <Trigger Property="IsMouseOver" Value="true">

                 <Setter Property="Background" Value="#449d44" />

                 <Setter Property="BorderBrush" Value="#398439" />

             </Trigger>

         </Style.Triggers>

     </Style>