Silverlight 苹果风格按钮Mac OS Style 实现的更新版

在 Silverlight 2 beta 2 时，我曾经写了一篇帖子实现了苹果风格的按钮样式（ Silverlight 下苹果 (Mac OS)风格按钮的实现）。

而现在 Silverlight 2 终于发布了，也给之前的代码带来了很多问题，导致无法继续使用。

经过一阵探索，我终于成功修改了这个代码，现在在正式版下也能工作正常了。其关键点如下：
1. 在 beta 2 时，需要采用 <vsm:Setter> 和 <vsm:Style> 的语法编写样式。其中 vsm 是个名称空间引用：
xmlns:vsm="clr-namespace:System.Windows;assembly=System.Windows"
而正式版下直接用 <Style> 和 <Setter> 表签即可。
这个问题如果不修改，程序可以编译通过，但是运行时会报一个莫名其妙的 “ AG_E_PARSER_PROPERTY_NOT_FOUND ”错误。

2. ContentPresenter 和 ContentControl 控件删除了如下属性：
TextDecorations,
TextWrapping,
TextAlignment.
因此，现在必须在 template 中将 ContentPresenter 的定位改用容器 Button 的 HorizontalContentAlignment 和 VerticalContentAlignment 属性来控制。代码如下：

<ContentPresenter Margin="4,5,4,4" Content="{TemplateBinding Content}"

ContentTemplate="{TemplateBinding ContentTemplate}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"

VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />

修改成功后的 Style 全部代码如下：

<UserControl
x:Class="UserControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
d:DesignWidth="640" d:DesignHeight="480">

<UserControl.Resources>
<Style x:Key="MyButton" TargetType="Button">
<Setter Property="IsEnabled" Value="true"/>
<Setter Property="IsTabStop" Value="true"/>
<Setter Property="Background" Value="#FF003255"/>
<Setter Property="Foreground" Value="#FF313131"/>
<Setter Property="MinWidth" Value="5"/>
<Setter Property="MinHeight" Value="5"/>
<Setter Property="Margin" Value="0"/>
<Setter Property="HorizontalContentAlignment" Value="Center"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Cursor" Value="Arrow"/>
<Setter Property="FontSize" Value="11" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Button">
<Grid>
<Grid.Resources>
<Color x:Key="LinearBevelLightStartColor">#FFFFFFFF</Color>
<Color x:Key="LinearBevelLightEndColor">#F4E2E0E0</Color>
<Color x:Key="LinearBevelDarkStartColor">#E0E5E5E5</Color>
<Color x:Key="LinearBevelDarkEndColor">#B2FFFFFF</Color>
<Color x:Key="MouseOverLinearBevelDarkEndColor">#7FFC1717</Color>
<Color x:Key="HoverLinearBevelLightStartColor">#FCFFFFFF</Color>
<Color x:Key="HoverLinearBevelLightEndColor">#EAFFFFFF</Color>
<Color x:Key="HoverLinearBevelDarkStartColor">#D8FFFFFF</Color>
<Color x:Key="HoverLinearBevelDarkEndColor">#4CFFFFFF</Color>
<Color x:Key="CurvedBevelFillStartColor">#B3FFFFFF</Color>
<Color x:Key="CurvedBevelFillEndColor">#3CFFFFFF</Color>
<SolidColorBrush x:Key="BorderBrush" Color="#FF5E5E5E"/>
<SolidColorBrush x:Key="AccentBrush" Color="#FF000000"/>
<SolidColorBrush x:Key="DisabledBrush" Color="#A5FFFFFF"/>
<LinearGradientBrush x:Key="FocusedStrokeBrush" EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#B2FFFFFF" Offset="0"/>
<GradientStop Color="#51FFFFFF" Offset="1"/>
<GradientStop Color="#66FFFFFF" Offset="0.325"/>
<GradientStop Color="#1EFFFFFF" Offset="0.325"/>
</LinearGradientBrush>
</Grid.Resources>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualStateGroup.Transitions>
<VisualTransition GeneratedDuration="00:00:00.2000000" To="MouseOver"/>
<VisualTransition GeneratedDuration="0:0:0.1" To="Pressed"/>
<VisualTransition GeneratedDuration="00:00:00.2000000" From="Normal" To="MouseOver"/>
</VisualStateGroup.Transitions>
<VisualState x:Name="Normal">
<Storyboard/>
</VisualState>
<VisualState x:Name="MouseOver">
<Storyboard>
<ColorAnimationUsingKeyFrames
Duration="0"
Storyboard.TargetName="BackgroundGradient"
Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[0].(GradientStop.Color)">
<SplineColorKeyFrame KeyTime="0" Value="#c8d5ed" />
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames
Duration="0"
Storyboard.TargetName="BackgroundGradient"
Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Color)">
<SplineColorKeyFrame KeyTime="0" Value="#97c2ee" />
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames
Duration="0"
Storyboard.TargetName="BackgroundGradient"
Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[2].(GradientStop.Color)">
<SplineColorKeyFrame KeyTime="0" Value="#6eadee" />
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames
Duration="0"
Storyboard.TargetName="BackgroundGradient"
Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[3].(GradientStop.Color)">
<SplineColorKeyFrame KeyTime="0" Value="#aff9ff" />
</ColorAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Pressed">
<Storyboard>
<DoubleAnimationUsingKeyFrames Duration="0" Storyboard.TargetName="BackgroundGradient" Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Offset)">
<SplineDoubleKeyFrame KeyTime="0" Value=".2"/>
</DoubleAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames
Duration="0"
Storyboard.TargetName="BackgroundGradient"
Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[0].(GradientStop.Color)">
<SplineColorKeyFrame KeyTime="0" Value="#bac5e8" />
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames
Duration="0"
Storyboard.TargetName="BackgroundGradient"
Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Color)">
<SplineColorKeyFrame KeyTime="0" Value="#7bb2e9" />
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames
Duration="0"
Storyboard.TargetName="BackgroundGradient"
Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[2].(GradientStop.Color)">
<SplineColorKeyFrame KeyTime="0" Value="#4d9ae7" />
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames
Duration="0"
Storyboard.TargetName="BackgroundGradient"
Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[3].(GradientStop.Color)">
<SplineColorKeyFrame KeyTime="0" Value="#85eaff" />
</ColorAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Disabled">
<Storyboard>
<DoubleAnimationUsingKeyFrames Duration="0" Storyboard.TargetName="DisabledVisual" Storyboard.TargetProperty="Opacity">
<SplineDoubleKeyFrame KeyTime="0" Value="1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="FocusStates">
<VisualState x:Name="Focused">
<Storyboard>
<ObjectAnimationUsingKeyFrames Duration="0" Storyboard.TargetName="FocusVisual" Storyboard.TargetProperty="Visibility">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Visibility>Visible</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Unfocused">
<Storyboard/>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Rectangle x:Name="Background" Fill="{TemplateBinding Background}" RadiusX="11" RadiusY="11"/>
<Rectangle x:Name="BackgroundGradient" Stroke="{StaticResource BorderBrush}" StrokeThickness="1" RadiusX="11" RadiusY="11" Margin="-1,-1,-1,-1">
<Rectangle.Fill>
<LinearGradientBrush EndPoint="0.7,1" StartPoint="0.7,0">
<GradientStop Color="{StaticResource LinearBevelLightStartColor}" Offset="0"/>
<GradientStop Color="{StaticResource LinearBevelLightEndColor}" Offset="0.326"/>
<GradientStop Color="{StaticResource LinearBevelDarkStartColor}" Offset="0.344"/>
<GradientStop Color="#FFFFFFFF" Offset="0.786"/>
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
<Grid x:Name="FocusVisual" Visibility="Collapsed">
<Rectangle Margin="-2,1,-2,-2" Stroke="{StaticResource AccentBrush}" StrokeThickness="1" StrokeDashArray="1.5 1.5" RadiusX="3" RadiusY="3" />
</Grid>
<ContentPresenter Margin="4,5,4,4" Content="{TemplateBinding Content}"ContentTemplate="{TemplateBinding ContentTemplate}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
<Rectangle x:Name="DisabledVisual" IsHitTestVisible="false" Opacity="0" Fill="{StaticResource DisabledBrush}" RadiusX="11" RadiusY="11" Margin="-1,-1,-1,-1"/>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</UserControl.Resources>

<Grid x:Name="LayoutRoot" Background="White" >
<Button Height="35" HorizontalAlignment="Stretch" Margin="198,132,262,0" Style="{StaticResource MyButton}" VerticalAlignment="Top" Content="Button"/>
</Grid>
</UserControl>

引用：http://msdn.microsoft.com/zh-cn/library/dd391775.aspx