WPF ControlTemplate

ButtonStyle.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <SolidColorBrush  x:Key="whiteSolidBrush" Color="White"/>
    <SolidColorBrush  x:Key="blackSolidBrush" Color="Black"/>

    <LinearGradientBrush  x:Key="blackToWhiteLGBrush">
        <GradientStop Offset="0" Color="Black"/>
        <GradientStop Offset="1" Color="White"/>
    </LinearGradientBrush>

    <RadialGradientBrush x:Key="blackToWhiteRGBrush">
        <GradientStop Offset="0" Color="Black"/>
        <GradientStop Offset="1" Color="White"/>
    </RadialGradientBrush>

    <ControlTemplate x:Key="buttonTemplate" TargetType="Button">
       <Grid>
            <VisualStateManager.VisualStateGroups>
                <VisualStateGroup x:Name="CommonStates">
                    <VisualState Name="Normal"/>
                    <VisualState Name="MouseOver"/>
                    <VisualState Name="Pressed">
                        <Storyboard>
                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="border"
                                                            Storyboard.TargetProperty="Background">
                                <DiscreteObjectKeyFrame KeyTime="0:0:0"
                                                        Value="{StaticResource whiteSolidBrush}"/>
                            </ObjectAnimationUsingKeyFrames>
                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="contentControl"
                                                            Storyboard.TargetProperty="Foreground">
                                <DiscreteObjectKeyFrame KeyTime="0:0:0"                
                                                        Value="{StaticResource blackSolidBrush}"/>
                            </ObjectAnimationUsingKeyFrames>
                        </Storyboard>
                    </VisualState>
                    <VisualState Name="Disabled">
                        <Storyboard>
                            <DoubleAnimation Storyboard.TargetName="disabRectangle"
                                             Storyboard.TargetProperty="Opacity"
                                             To="0.6" Duration="0:0:0"/>
                        </Storyboard>
                    </VisualState>
                </VisualStateGroup>
            </VisualStateManager.VisualStateGroups>
           
           <Border Name="border"
                   BorderBrush="{TemplateBinding BorderBrush}"
                   Background="{TemplateBinding Background}"
                   BorderThickness="{TemplateBinding BorderThickness}"
                   CornerRadius="5">
               <ContentControl Name="contentControl"
                               Content="{TemplateBinding Content}"
                               ContentTemplate="{TemplateBinding ContentTemplate}"
                               Margin="{TemplateBinding Padding}"
                               HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
                               VerticalAlignment="{TemplateBinding VerticalAlignment}"/>
           </Border>
            <Rectangle Name="disabRectangle"
                       Fill="Gainsboro"
                       Opacity="0"/> 
        </Grid>
   </ControlTemplate>
    
    <Style x:Key="buttonStyle" TargetType="Button">
        <Setter Property="BorderBrush" Value="White"/>
        <Setter Property="BorderThickness" Value="5"/>
        <Setter Property="BorderBrush" Value="Black"/>
        <Setter Property="Template" Value="{StaticResource buttonTemplate}"/>
    </Style>
</ResourceDictionary>

使用

<Button x:Name="bt" Content="123" Style="{StaticResource buttonStyle}" IsEnabled="False"/>