你的原始建议几乎正确,试试这个:
你的原始建议几乎正确,试试这个:
<Button>
<Viewbox Stretch="Fill">
<TextBlock Text="Test"/>
</Viewbox>
</Button>
而将此应用于多个按钮:
<Style x:Key="StretchedButtonContent" TargetType="">
<Setter Property="ContentTemplate">
<Setter.Value>
<DataTemplate>
<Viewbox Stretch="Fill">
<ContentPresenter Content=""/>
</Viewbox>
</DataTemplate>
</Setter.Value>
</Setter>
</Style>
<Button Style="" Content="Test" />
我的第一个想法是使用RenderTransform和转换器。这样可以得到相同的结果,但更加复杂:
<Converters:ScaleConverter x:Key="ScaleConverter" />
<Button>
<TextBlock Text="Test" RenderTransformOrigin="0.5,0.5">
<TextBlock.RenderTransform>
<ScaleTransform>
<ScaleTransform.ScaleX>
<MultiBinding Converter="{StaticResource ScaleConverter}">
<Binding RelativeSource="{RelativeSource AncestorType={x:Type Button}}" Path="ActualWidth" />
<Binding RelativeSource="{RelativeSource AncestorType={x:Type TextBlock}}" Path="ActualWidth" />
</MultiBinding>
</ScaleTransform.ScaleX>
<ScaleTransform.ScaleY>
<MultiBinding Converter="{StaticResource ScaleConverter}">
<Binding RelativeSource="{RelativeSource AncestorType={x:Type Button}}" Path="ActualHeight" />
<Binding RelativeSource="{RelativeSource AncestorType={x:Type TextBlock}}" Path="ActualHeight" />
</MultiBinding>
</ScaleTransform.ScaleY>
</ScaleTransform>
</TextBlock.RenderTransform>
</TextBlock>
</Button
和转换器
public class ScaleConverter : IMultiValueConverter
{
#region Implementation of IMultiValueConverter
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
return ((double) values[0])/((double) values[1]);
}
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
#endregion
}