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Validation.MarkInvalid Method

Marks the specified BindingExpression object as invalid with the specified ValidationError object.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)
public static void MarkInvalid(
	BindingExpressionBase bindingExpression,
	ValidationError validationError
)

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.
ExceptionCondition
ArgumentNullException

If bindingExpression is null.

ArgumentNullException

If validationError is null.

The BindingExpression object stays invalid until ClearInvalid is called or another transfer to the binding source validates successfully.

.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.
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