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Validation.MarkInvalid Method
Visual Studio 2008
Marks the specified BindingExpression object as invalid with the specified ValidationError object.
Assembly: PresentationFramework (in PresentationFramework.dll)
'Declaration Public Shared Sub MarkInvalid ( _ bindingExpression As BindingExpressionBase, _ validationError As ValidationError _ ) 'Usage Dim bindingExpression As BindingExpressionBase Dim validationError As ValidationError Validation.MarkInvalid(bindingExpression, _ validationError)
You cannot use methods in XAML.
Parameters
- bindingExpression
- Type: System.Windows.Data.BindingExpressionBase
The BindingExpression object to mark as invalid.
- validationError
- Type: System.Windows.Controls.ValidationError
The ValidationError object to use.
| Exception | Condition |
|---|---|
| ArgumentNullException | If bindingExpression is Nothing. |
| ArgumentNullException | If validationError is Nothing. |
The BindingExpression object stays invalid until ClearInvalid is called or another transfer to the binding source validates successfully.
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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