这是我的XAML:
<TextBlock Name="SeverityText"
Grid.Column="1"
Grid.Row="0"
Foreground="Red">
<TextBlock.Triggers>
<DataTrigger Binding="{Binding Path=Severity}">
<DataTrigger.Value>
<sm:Severity>Warning</sm:Severity>
</DataTrigger.Value>
<Setter TargetName="SeverityText"
Property="Foreground"
Value="Yellow" />
</DataTrigger>
<DataTrigger Binding="{Binding Path=Severity}">
<DataTrigger.Value>
<sm:Severity>Information</sm:Severity>
</DataTrigger.Value>
<Setter TargetName="SeverityText"
Property="Foreground"
Value="White" />
</DataTrigger>
</TextBlock.Triggers>
<TextBlock>Severity:</TextBlock>
<TextBlock Text="{Binding Path=Severity}" />
</TextBlock>
这是我的错误信息:
在类型“ ContentPresenter”上找不到静态成员“ ForegroundProperty”。
sm:严重性是我导入的枚举。
最佳答案
您的触发器和设置器需要以一种样式定义,而不是直接在TextBlock上定义:
<TextBlock>
<TextBlock.Style>
<Style TargetType="TextBlock">
<Style.Triggers>
<DataTrigger Binding="{Binding Severity}">
<DataTrigger.Value>
<sm:Severity>Warning</sm:Severity>
</DataTrigger.Value>
<Setter TargetName="SeverityText"
Property="Foreground"
Value="Yellow" />
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
关于wpf - WPF:如何使用DataTrigger设置TextBlock的Foreground属性,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/2144526/