WPF，属性继承有关问题

2013-07-11

WPF，属性继承问题Background{TemplateBinding Background}Padding{TemplateBinding Padding}SnapsTo

WPF，属性继承问题

 
                        Background="{TemplateBinding Background}"
                        Padding="{TemplateBinding Padding}"
                        SnapsToDevicePixels="True">
                    <ContentPresenter ContentTemplate="{TemplateBinding ContentTemplate}"
                                        Content="{TemplateBinding Content}"
                                        ContentStringFormat="{TemplateBinding ContentStringFormat}"
                                        HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                        RecognizesAccessKey="True"
                                        SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
                                        VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
                </Border>
                <ControlTemplate.Triggers>
                    <Trigger Property="IsEnabled"
                                Value="False"> 
 
                        <Setter Property="Foreground"
                                Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
                    </Trigger>
                </ControlTemplate.Triggers>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

DynamicResource {x:Static SystemColors.ControlTextBrushKey}
[解决办法]

<Window x:Class="WpfApplication2.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525" Foreground="Red">
    <StackPanel >
        <Label Content="熊俊" />    <TextBlock Text="12334" />
    </StackPanel>

</Window>

TextBlock 是有效果的哦。。。

MSDN上是这么写的
This property only affects a control whose template uses the Foreground property as a parameter. On other controls, this property has no impact.

所以对TextBlock可以起作用而CheckBox, Button一类的就不起作用。

我们在使用Button的Foreground属性时，实际上也只是对Button内部的TextBlock的Foreground产生了作用，用Snoop查看Button的VisualTree可以发现
Button
  Chrome
    ContentPresenter
      TextBlock

也就是Button的内容（字符串）实际上是在TextBlock中被显示出来，并且Foreground属性也是被应用到了TextBlock上。

所以LZ还是一个一个设置吧～～～
[解决办法]
如果你想用的话 TextBlock  也有lable的效果
[解决办法]
<TextBlock.Foreground>
                    <LinearGradientBrush>

                            <GradientStop Color="Green"></GradientStop>
                            <GradientStop x:Name="gcc1"  Color="Green" Offset="0.3"></GradientStop>
                            <GradientStop x:Name="gcc2" Color="Blue" Offset="0.3"></GradientStop>
                            <GradientStop Color="Blue" Offset="1"></GradientStop>
                    </LinearGradientBrush>
                </TextBlock.Foreground>
你看看这段代码，希望对你有帮助，这是设置的TextBlock的属性颜色，改成Lable就行了
[解决办法]
这东西自己不支持继承的话，你改模板也不行，除非设置个依赖项属性进行统一绑定，那样也不麻烦。
[解决办法]
<StackPanel >
        <Label Content="熊俊" Foreground="Red" />
    </StackPanel>

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WPF，属性继承有关问题