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Validation.ClearInvalid Method

Removes all ValidationError objects from the specified BindingExpressionBase object.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public static void ClearInvalid(
	BindingExpressionBase bindingExpression


Type: System.Windows.Data.BindingExpressionBase
The object to turn valid.


If bindingExpression is null.

The bindingExpression object may have been invalid from a MarkInvalid call or a previously failed validation. The object is valid after this call.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.