Validation::MarkInvalid Method (BindingExpressionBase^, ValidationError^)

 

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.

Exception Condition
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
Available since 3.0
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