RoutedPropertyChangingEventArgs<T> Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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

Inheritance Hierarchy

System.Object
  System.EventArgs
    System.Windows.RoutedEventArgs
      System.Windows.Controls.RoutedPropertyChangingEventArgs<T>

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

Syntax

'Declaration
Public Class RoutedPropertyChangingEventArgs(Of T) _
    Inherits RoutedEventArgs
public class RoutedPropertyChangingEventArgs<T> : RoutedEventArgs

Type Parameters

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

The RoutedPropertyChangingEventArgs<T> type exposes the following members.

Constructors

  Name Description
Public method RoutedPropertyChangingEventArgs<T> Initializes a new instance of the RoutedPropertyChangingEventArgs<T> class,

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Properties

  Name Description
Public property Cancel Gets or sets a value that determines whether the property change that originated the RoutedPropertyChanging event should be cancelled.
Public property InCoercion Gets or sets a value indicating whether internal value coercion is acting on the property change that originated the RoutedPropertyChanging event.
Public property IsCancelable Gets a value indicating whether the property change that originated the RoutedPropertyChanging event is cancellable.
Public property NewValue Gets a value that reports the new value of the changing property, assuming that the property change is not cancelled.
Public property OldValue Gets a value that reports the previous value of the changing property.
Public property OriginalSource Gets a reference to the object that raised the event. (Inherited from RoutedEventArgs.)
Public property Property Gets the DependencyProperty identifier for the property that is changing.

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Methods

  Name Description
Public method Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public method GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public method ToString Returns a string that represents the current object. (Inherited from Object.)

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Version Information

Silverlight

Supported in: 5, 4, 3

Platforms

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

Thread Safety

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