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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: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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