ValidationError.ErrorContent Property
Definition
Important
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Gets or sets an object that provides additional context for this ValidationError, such as a string describing the error.
public:
property System::Object ^ ErrorContent { System::Object ^ get(); void set(System::Object ^ value); };
public object ErrorContent { get; set; }
member this.ErrorContent : obj with get, set
Public Property ErrorContent As Object
Property Value
An object that provides additional context for this ValidationError.
Examples
The following example shows a style trigger that creates a ToolTip that reports a validation error message. The Validation.Errors attached property returns a collection of ValidationError objects on the bound element.
<Style x:Key="textStyleTextBox" TargetType="TextBox">
<Setter Property="Foreground" Value="#333333" />
<Setter Property="MaxLength" Value="40" />
<Setter Property="Width" Value="392" />
<Style.Triggers>
<Trigger Property="Validation.HasError" Value="true">
<Setter Property="ToolTip"
Value="{Binding RelativeSource={RelativeSource Self},
Path=(Validation.Errors)[0].ErrorContent}"/>
</Trigger>
</Style.Triggers>
</Style>
Remarks
XAML Text Usage
See the Example section for an example.
Applies to
反馈
https://aka.ms/ContentUserFeedback。
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