Validation Class

Definition

Namespace:

System.Windows.Controls

Assembly:

PresentationFramework.dll

Provides methods and attached properties that support data validation.

public ref class Validation abstract sealed

public static class Validation

type Validation = class

Public Class Validation

Inheritance

Object

Validation

Remarks

For a detailed discussion of the validation process, see "Data Validation" in Data Binding Overview.

Fields

ErrorEvent	Identifies the Error attached event.
ErrorsProperty	Identifies the Errors attached property.
ErrorTemplateProperty	Identifies the ErrorTemplate attached property.
HasErrorProperty	Identifies the HasError attached property.
ValidationAdornerSiteForProperty	Identifies the ValidationAdornerSiteFor attached property.
ValidationAdornerSiteProperty	Identifies the ValidationAdornerSite attached property.

Attached Properties

Errors	Gets the collection of all active ValidationError objects on the bound element.
ErrorTemplate	Gets or sets the ControlTemplate used to generate validation error feedback on the adorner layer.
HasError	Gets a value that indicates whether any binding on the binding target element has a ValidationError.
ValidationAdornerSite	Gets or sets the element that appears to indicate that a validation error occurred on the bound element where this property is set.
ValidationAdornerSiteFor	Gets or sets the element for which this element appears to indicate that an error occurred.

Methods

AddErrorHandler(DependencyObject, EventHandler<ValidationErrorEventArgs>)	Adds an event handler for the Error attached event to the specified object.
ClearInvalid(BindingExpressionBase)	Removes all ValidationError objects from the specified BindingExpressionBase object.
GetErrors(DependencyObject)	Gets the value of the Errors attached property of the specified element.
GetErrorTemplate(DependencyObject)	Gets the value of the ErrorTemplate attached property of the specified element.
GetHasError(DependencyObject)	Gets the value of the HasError attached property of the specified element.
GetValidationAdornerSite(DependencyObject)	Gets the value of the ValidationAdornerSite attached property for the specified element.
GetValidationAdornerSiteFor(DependencyObject)	Gets the value of the ValidationAdornerSiteFor attached property for the specified element.
MarkInvalid(BindingExpressionBase, ValidationError)	Marks the specified BindingExpression object as invalid with the specified ValidationError object.
RemoveErrorHandler(DependencyObject, EventHandler<ValidationErrorEventArgs>)	Adds an event handler for the Error attached event from the specified object.
SetErrorTemplate(DependencyObject, ControlTemplate)	Sets the value of the ErrorTemplate attached property to the specified element.
SetValidationAdornerSite(DependencyObject, DependencyObject)	Sets the ValidationAdornerSite attached property to the specified value on the specified element.
SetValidationAdornerSiteFor(DependencyObject, DependencyObject)	Sets the ValidationAdornerSiteFor attached property to the specified value on the specified element.

Attached Events

Error

Occurs when the bound element runs into a validation error, but only for bindings with the NotifyOnValidationError value set to true.

See also

• ValidationRules
• ValidationRules