[英]Styling a TextBox with IDataErrorInfo in WPF
I'm trying to change style a text box. 我正在尝试更改文本框的样式。 By now, I have made that my textbox shows an asterisc on the right of its border with this code:
到目前为止,我已经用以下代码使我的文本框在其边框的右侧显示了一个星号:
<Style TargetType="{x:Type TextBox}">
<Setter Property="Validation.ErrorTemplate">
<Setter.Value>
<ControlTemplate>
<Grid>
<TextBlock DockPanel.Dock="Right" HorizontalAlignment="Right" Foreground="Red" FontSize="14pt" FontWeight="Bold" Text="*"></TextBlock>
<Border BorderBrush="Red" BorderThickness="1">
<AdornedElementPlaceholder Name="controlWithError"/>
</Border>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="Validation.HasError" Value="true">
<Setter Property="ToolTip" Value="{Binding Path=(Validation.Errors)[0].ErrorContent}"/>
</Trigger>
</Style.Triggers>
</Style>
But I'd like my textbox be shown with a red triangle on the right upper corner. 但我希望在文本框的右上角显示一个红色三角形。 How could I get this style on my textbox?
如何在我的文本框中获得这种样式?
Thanks. 谢谢。
I have already done what I wanted, it was just like this: 我已经做了我想要的,就像这样:
<Style TargetType="{x:Type TextBox}">
<Setter Property="Validation.ErrorTemplate">
<Setter.Value>
<ControlTemplate>
<Grid>
<Polygon Points="0,0 10,0 0,10 0,0" HorizontalAlignment="Right" Fill="Red" FlowDirection="RightToLeft"></Polygon>
<Border BorderBrush="Red" BorderThickness="1">
<AdornedElementPlaceholder Name="controlWithError" />
</Border>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
<Style.Triggers>
<Trigger Property="Validation.HasError" Value="true">
<Setter Property="ToolTip" Value="{Binding RelativeSource={x:Static RelativeSource.Self}, Path=(Validation.Errors)[0].ErrorContent}"/>
</Trigger>
</Style.Triggers>
</Style>
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