如何在 Windows Phone 8 的 app.xaml 中应用全局转换规则
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【中文标题】如何在 Windows Phone 8 的 app.xaml 中应用全局转换规则【英文标题】：How to apply global transform rules in app.xaml in windows phone 8 【发布时间】：2015-04-15 20:36:28 【问题描述】：我想将此转换规则应用于所有复选框：
<CheckBox.RenderTransform>
<ScaleTransform ScaleX="0.7" ScaleY="0.7" />
</CheckBox.RenderTransform>
有什么方法可以将它放入 app.xaml 中，这样我就不需要将这条规则写入每个复选框？
【问题讨论】：
不，唯一的解决方案是创建您自己的复选框用户控件，然后对所有 xaml 文件运行搜索和替换，以将系统文件替换为您的。 好的，谢谢@StuartSmith 【参考方案1】：当然，您所要做的就是覆盖默认的复选框样式。将此代码添加到您的 App.xaml 文件中的<Application.Resources> 部分：
<!--Application Resources-->
<Application.Resources>
<Style x:Key="PhoneButtonBase" TargetType="ButtonBase">
<Setter Property="Background" Value="Transparent"/>
<Setter Property="BorderBrush" Value="StaticResource PhoneForegroundBrush"/>
<Setter Property="Foreground" Value="StaticResource PhoneForegroundBrush"/>
<Setter Property="BorderThickness" Value="StaticResource PhoneBorderThickness"/>
<Setter Property="FontFamily" Value="StaticResource PhoneFontFamilySemiBold"/>
<Setter Property="FontSize" Value="StaticResource PhoneFontSizeMediumLarge"/>
<Setter Property="Padding" Value="10,3,10,5"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ButtonBase">
<Grid Background="Transparent">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal"/>
<VisualState x:Name="MouseOver"/>
<VisualState x:Name="Pressed">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="ContentContainer">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneBackgroundBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="ButtonBackground">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneForegroundBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="ButtonBackground">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneForegroundBrush"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Disabled">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="ContentContainer">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneDisabledBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="ButtonBackground">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneDisabledBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="ButtonBackground">
<DiscreteObjectKeyFrame KeyTime="0" Value="Transparent"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Border x:Name="ButtonBackground" BorderBrush="TemplateBinding BorderBrush" BorderThickness="TemplateBinding BorderThickness" Background="TemplateBinding Background" CornerRadius="0" Margin="StaticResource PhoneTouchTargetOverhang">
<ContentControl x:Name="ContentContainer" ContentTemplate="TemplateBinding ContentTemplate" Content="TemplateBinding Content" Foreground="TemplateBinding Foreground" HorizontalContentAlignment="TemplateBinding HorizontalContentAlignment" Padding="TemplateBinding Padding" VerticalContentAlignment="TemplateBinding VerticalContentAlignment"/>
</Border>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="PhoneRadioButtonCheckBoxBase" BasedOn="StaticResource PhoneButtonBase" TargetType="ToggleButton">
<Setter Property="Background" Value="StaticResource PhoneRadioCheckBoxBrush"/>
<Setter Property="BorderBrush" Value="StaticResource PhoneRadioCheckBoxBrush"/>
<Setter Property="FontSize" Value="StaticResource PhoneFontSizeMedium"/>
<Setter Property="FontFamily" Value="StaticResource PhoneFontFamilyNormal"/>
<Setter Property="HorizontalContentAlignment" Value="Left"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Padding" Value="0"/>
</Style>
<Style BasedOn="StaticResource PhoneRadioButtonCheckBoxBase" TargetType="CheckBox">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="CheckBox">
<Grid Background="Transparent">
<Grid.RenderTransform>
<ScaleTransform ScaleX="0.7" ScaleY="0.7" />
</Grid.RenderTransform>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal"/>
<VisualState x:Name="MouseOver"/>
<VisualState x:Name="Pressed">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="CheckBackground">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneRadioCheckBoxPressedBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="CheckBackground">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneRadioCheckBoxPressedBorderBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="CheckMark">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneRadioCheckBoxCheckBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="IndeterminateMark">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneRadioCheckBoxCheckBrush"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Disabled">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="CheckBackground">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneRadioCheckBoxDisabledBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="CheckBackground">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneDisabledBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="CheckMark">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneRadioCheckBoxCheckDisabledBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="IndeterminateMark">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneRadioCheckBoxCheckDisabledBrush"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="ContentContainer">
<DiscreteObjectKeyFrame KeyTime="0" Value="StaticResource PhoneDisabledBrush"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="CheckStates">
<VisualState x:Name="Checked">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="CheckMark">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Visibility>Visible</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Unchecked"/>
<VisualState x:Name="Indeterminate">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Visibility" Storyboard.TargetName="IndeterminateMark">
<DiscreteObjectKeyFrame KeyTime="0">
<DiscreteObjectKeyFrame.Value>
<Visibility>Visible</Visibility>
</DiscreteObjectKeyFrame.Value>
</DiscreteObjectKeyFrame>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid Margin="StaticResource PhoneTouchTargetLargeOverhang">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="32"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Border x:Name="CheckBackground" BorderBrush="TemplateBinding Background" BorderThickness="StaticResource PhoneBorderThickness" Background="TemplateBinding Background" HorizontalAlignment="Left" Height="32" IsHitTestVisible="False" VerticalAlignment="Center" Width="32"/>
<Rectangle x:Name="IndeterminateMark" Fill="StaticResource PhoneRadioCheckBoxCheckBrush" HorizontalAlignment="Center" Height="16" IsHitTestVisible="False" Grid.Row="0" Visibility="Collapsed" VerticalAlignment="Center" Width="16"/>
<Path x:Name="CheckMark" Data="M0,119 L31,92 L119,185 L267,0 L300,24 L122,250 z" Fill="StaticResource PhoneRadioCheckBoxCheckBrush" HorizontalAlignment="Center" Height="18" IsHitTestVisible="False" Stretch="Fill" StrokeThickness="2" StrokeLineJoin="Round" Visibility="Collapsed" VerticalAlignment="Center" Width="24"/>
<ContentControl x:Name="ContentContainer" ContentTemplate="TemplateBinding ContentTemplate" Content="TemplateBinding Content" Grid.Column="1" Foreground="TemplateBinding Foreground" HorizontalContentAlignment="TemplateBinding HorizontalContentAlignment" Margin="12,0,0,0" Padding="TemplateBinding Padding" VerticalContentAlignment="TemplateBinding VerticalContentAlignment"/>
</Grid>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Application.Resources>
我在复选框模板中添加了比例转换：
<Grid.RenderTransform>
<ScaleTransform ScaleX="0.7" ScaleY="0.7" />
</Grid.RenderTransform>
我知道，这是很多 XAML 代码。但是您可以在此处轻松更改复选框控件的任何方面。
【讨论】：
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