ValidationError.ErrorContent Property

Reference

Definition

Namespace:: System.Windows.Controls

Assembly:: PresentationFramework.dll

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

Object

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.

XAML

<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

Produkt	Verzie
.NET Framework	3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop	3.0, 3.1, 5, 6, 7, 8, 9, 10

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