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RoutedPropertyChangingEventArgs<T> Class


Provides event data for various routed events that track property values changing. Typically the events denote a cancellable action.


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

public class RoutedPropertyChangingEventArgs<T> : RoutedEventArgs

Type Parameters


The type of the value for the dependency property that is changing.

The RoutedPropertyChangingEventArgs<T> type exposes the following members.

Public methodRoutedPropertyChangingEventArgs<T>Initializes a new instance of the RoutedPropertyChangingEventArgs<T> class,

Public propertyCancelGets or sets a value that determines whether the property change that originated the RoutedPropertyChanging event should be cancelled.
Public propertyInCoercionGets or sets a value indicating whether internal value coercion is acting on the property change that originated the RoutedPropertyChanging event.
Public propertyIsCancelableGets a value indicating whether the property change that originated the RoutedPropertyChanging event is cancellable.
Public propertyNewValueGets a value that reports the new value of the changing property, assuming that the property change is not cancelled.
Public propertyOldValueGets a value that reports the previous value of the changing property.
Public propertyOriginalSourceGets a reference to the object that raised the event. (Inherited from RoutedEventArgs.)
Public propertyPropertyGets the DependencyProperty identifier for the property that is changing.

Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)


Supported in: 5, 4, 3

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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