首先打开 Microsoft Visual Studio 2008 ，新建一个WPF项目，在上面随便放几个按钮：

然后给各个按钮设置不同的背景颜色：

设置好之后就是这样啦：

然后我们就开始在 App.xaml 文件中定义按钮样式了：

定义的样式代码如下：

以下为引用的内容： <Application x:Class="WPFButton.App"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     StartupUri="Window1.xaml">     <Application.Resources>         <!--定义按钮样式-->         <Style TargetType="Button">             <Setter Property="Foreground" Value="Black"/>             <!--修改模板属性-->             <Setter Property="Template">                 <Setter.Value>                     <!--控件模板-->                     <ControlTemplate TargetType="Button">                         <!--背景色-->                         <Border x:Name="back" Opacity="0.8" CornerRadius="3">                             <Border.BitmapEffect>                                 <OuterGlowBitmapEffect Opacity="0.7" GlowSize="0" GlowColor="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(Button.Background).(SolidColorBrush.Color)}" />                             </Border.BitmapEffect>                             <Border.Background>                                 <LinearGradientBrush StartPoint="0,0" EndPoint="0,1.5">                                     <GradientBrush.GradientStops>                                         <GradientStopCollection>                                             <GradientStop Color="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(Button.Background).(SolidColorBrush.Color)}" Offset="0"/>                                             <GradientStop Color="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(Button.Background).(SolidColorBrush.Color)}" Offset="0.4"/>                                             <GradientStop Color="#FFF" Offset="1"/>                                         </GradientStopCollection>                                     </GradientBrush.GradientStops>                                 </LinearGradientBrush>                             </Border.Background>                             <!--前景色及边框-->                             <Border x:Name="fore" BorderThickness="1" CornerRadius="3" BorderBrush="#5555">                                 <Border.Background>                                     <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">                                         <GradientBrush.GradientStops>                                             <GradientStopCollection>                                                 <GradientStop Color="#6FFF" Offset="0.5"/>                                                 <GradientStop Color="#1111" Offset="0.51"/>                                             </GradientStopCollection>                                         </GradientBrush.GradientStops>                                     </LinearGradientBrush>                                 </Border.Background>                                 <!--按钮内容-->                                 <ContentPresenter x:Name="content" HorizontalAlignment="Center" VerticalAlignment="Center" Content="{TemplateBinding  Content}">                                     <ContentPresenter.BitmapEffect>                                         <DropShadowBitmapEffect Color="#000" Direction="-90" ShadowDepth="2" Softness="0.1" Opacity="0.3" />                                     </ContentPresenter.BitmapEffect>                                 </ContentPresenter>                             </Border>                         </Border>                         <!--触发器-->                         <ControlTemplate.Triggers>                             <!--鼠标移入移出-->                             <Trigger Property="IsMouseOver" Value="True">                                 <Trigger.EnterActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation To="6" Duration="0:0:0.2" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <ColorAnimation To="#AFFF" BeginTime="0:0:0.2" Duration="0:0:0.2" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation To="#3FFF" BeginTime="0:0:0.2" Duration="0:0:0.2" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.EnterActions>                                 <Trigger.ExitActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation Duration="0:0:0.2" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <ColorAnimation Duration="0:0:0.2" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation Duration="0:0:0.2" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.ExitActions>                             </Trigger>                             <!--按钮按下弹起-->                             <Trigger Property="IsPressed" Value="True">                                 <Trigger.EnterActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation To="3" Duration="0:0:0.1" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <ColorAnimation To="#3AAA" Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation To="#2111" Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.EnterActions>                                 <Trigger.ExitActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation Duration="0:0:0.1" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.ExitActions>                             </Trigger>                             <!--按钮失效-->                             <Trigger Property="IsEnabled" Value="False">                                 <Setter Property="Foreground" Value="#B444"/>                                 <Trigger.EnterActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation To="0" Duration="0:0:0.3" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <DoubleAnimation To="1" Duration="0:0:0.1" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Opacity)" />                                             <DoubleAnimation To="-135" Duration="0:0:0.1" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Direction)" />                                             <ColorAnimation To="#FFF" Duration="0:0:0.3" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Color)" />                                             <ColorAnimation To="#D555" Duration="0:0:0.3" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.BorderBrush).(SolidColorBrush.Color)" />                                             <ColorAnimation To="#CEEE" Duration="0:0:0.3" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation To="#CDDD" Duration="0:0:0.3" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.EnterActions>                                 <Trigger.ExitActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation Duration="0:0:0.1" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <DoubleAnimation Duration="0:0:0.1" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Opacity)" />                                             <DoubleAnimation Duration="0:0:0.1" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Direction)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Color)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.BorderBrush).(SolidColorBrush.Color)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.ExitActions>                             </Trigger>                         </ControlTemplate.Triggers>                     </ControlTemplate>                 </Setter.Value>             </Setter>         </Style>     </Application.Resources> </Application>

看了先不要头大，我们先看看最终效果，然后回过头来再解释代码：

这是常规样式

这个是鼠标移到上面时的样式

这个是鼠标点击时的样式

还有就是按钮失效时的样式

效果还算不错吧，下面来讲解代码喽，头晕的同学可以现在就收拾东西回家了哈。

我们先来看这个命名为“back”的 Border 元素，它用它的 Background 属性充当了整个按钮的背景色。

以下为引用的内容：

<Border.Background>                                 <LinearGradientBrush StartPoint="0,0" EndPoint="0,1.5">                                     <GradientBrush.GradientStops>                                         <GradientStopCollection>                                             <GradientStop Color="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(Button.Background).(SolidColorBrush.Color)}" Offset="0"/>                                             <GradientStop Color="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(Button.Background).(SolidColorBrush.Color)}" Offset="0.4"/>                                             <GradientStop Color="#FFF" Offset="1"/>                                         </GradientStopCollection>                                     </GradientBrush.GradientStops>                                 </LinearGradientBrush>                             </Border.Background>

其背景所用的是一个渐变笔刷，起始值和中间值都是引用的按钮本身的背景色，就是我们之前设置过的颜色啦，终止值是白色，这样通过位置调整，我们可以在按钮最下部产生一些向白色的过度色彩效果。

以下为引用的内容： <Border.BitmapEffect>                                 <OuterGlowBitmapEffect Opacity="0.7" GlowSize="0" GlowColor="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=(Button.Background).(SolidColorBrush.Color)}" />                             </Border.BitmapEffect>

它的 BitmapEffect 属性我们设置了一个大小为 0 的外发光效果，平常是看不见这效果的，在这里预先设置好，是为了在鼠标移入、按下时实现动画使用。

再来看看这个命名为“fore”的 Border 元素，它实现的是按钮的边框和高亮反光效果，我为它设置了一个半透明的黑色1像素边框，使得这个边框的色彩可以和背景色混合起来。

以下为引用的内容：  <Border.Background>                                     <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">                                         <GradientBrush.GradientStops>                                             <GradientStopCollection>                                                 <GradientStop Color="#6FFF" Offset="0.5"/>                                                 <GradientStop Color="#1111" Offset="0.51"/>                                             </GradientStopCollection>                                         </GradientBrush.GradientStops>                                     </LinearGradientBrush>                                 </Border.Background>

它的背景同样采用的渐变笔刷，起始值和终止值的位置几乎贴在一起，从而形成比较鲜明的反光度对比。

ContentPresenter 元素用于呈现按钮原本的内容，对于按钮来说就是按钮上的文字了，当然也可能会存在图片或其它东西。

以下为引用的内容：  <ContentPresenter.BitmapEffect>                                         <DropShadowBitmapEffect Color="#000" Direction="-90" ShadowDepth="2" Softness="0.1" Opacity="0.3" />                                     </ContentPresenter.BitmapEffect>

我为之加了一个不太明显的阴影滤镜以增强显示效果。

剩下的就是些可爱又该死的 Trigger ，我们通过这些触发器来改变按钮在不同状态时的外观。

以下为引用的内容：       <!--鼠标移入移出-->                             <Trigger Property="IsMouseOver" Value="True">                                 <Trigger.EnterActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation To="6" Duration="0:0:0.2" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <ColorAnimation To="#AFFF" BeginTime="0:0:0.2" Duration="0:0:0.2" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation To="#3FFF" BeginTime="0:0:0.2" Duration="0:0:0.2" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.EnterActions>                                 <Trigger.ExitActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation Duration="0:0:0.2" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <ColorAnimation Duration="0:0:0.2" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation Duration="0:0:0.2" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.ExitActions>                             </Trigger>

在鼠标移入按钮时，我依次创建了改变外发光效果大小、改变上部反光区域颜色、改变下部反光区域颜色的动画，这里的要点就在于“Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)"”属性设置语句，琢磨一下你就能看出这是对属性路径的描述，只不过它们写起来和看起来都很让人生气。

以下为引用的内容：                        <!--按钮按下弹起-->                             <Trigger Property="IsPressed" Value="True">                                 <Trigger.EnterActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation To="3" Duration="0:0:0.1" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <ColorAnimation To="#3AAA" Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation To="#2111" Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.EnterActions>                                 <Trigger.ExitActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation Duration="0:0:0.1" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.ExitActions>                             </Trigger>

按下和弹起按钮时，我们做了相似的动画改变，与前面相比只是数值略微不同。

以下为引用的内容： <!--按钮失效-->                             <Trigger Property="IsEnabled" Value="False">                                 <Setter Property="Foreground" Value="#B444"/>                                 <Trigger.EnterActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation To="0" Duration="0:0:0.3" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <DoubleAnimation To="1" Duration="0:0:0.1" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Opacity)" />                                             <DoubleAnimation To="-135" Duration="0:0:0.1" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Direction)" />                                             <ColorAnimation To="#FFF" Duration="0:0:0.3" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Color)" />                                             <ColorAnimation To="#D555" Duration="0:0:0.3" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.BorderBrush).(SolidColorBrush.Color)" />                                             <ColorAnimation To="#CEEE" Duration="0:0:0.3" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation To="#CDDD" Duration="0:0:0.3" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.EnterActions>                                 <Trigger.ExitActions>                                     <BeginStoryboard>                                         <Storyboard>                                             <DoubleAnimation Duration="0:0:0.1" Storyboard.TargetName="back" Storyboard.TargetProperty="(Border.BitmapEffect).(OuterGlowBitmapEffect.GlowSize)" />                                             <DoubleAnimation Duration="0:0:0.1" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Opacity)" />                                             <DoubleAnimation Duration="0:0:0.1" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Direction)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="content" Storyboard.TargetProperty="(ContentPresenter.BitmapEffect).(DropShadowBitmapEffect.Color)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.BorderBrush).(SolidColorBrush.Color)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[0].(GradientStop.Color)" />                                             <ColorAnimation Duration="0:0:0.1" Storyboard.TargetName="fore" Storyboard.TargetProperty="(Border.Background).(LinearGradientBrush.GradientStops)[1].(GradientStop.Color)" />                                         </Storyboard>                                     </BeginStoryboard>                                 </Trigger.ExitActions>                             </Trigger>

当按钮失效时，我要改变很多东西，首先将文字颜色设为灰色，然后依次创建了改变外发光效果大小、改变内容阴影效果不透明度、改变内容阴影效果角度、改变内容阴影效果颜色、改变按钮边框颜色、改变上部反光区域颜色、改变下部反光区域颜色的动画。

这里将先前对内容应用的阴影效果彻底改变，使之产生凹陷的效果。

好了，到这里就下课啦，文章有点冗长了，但应该对新手很有帮助，老鸟估计现在已经梦游仙境了吧。

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