RoutedPropertyChangingEventArgs<T>.Cancel Property
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Gets or sets a value that determines whether the property change that originated the RoutedPropertyChanging event should be cancelled.
Namespace: System.Windows.Controls
Assembly: System.Windows.Controls (in System.Windows.Controls.dll)
Syntax
'Declaration
Public Property Cancel As Boolean
public bool Cancel { get; set; }
Property Value
Type: System.Boolean
true to cancel the property change; this resets the property to OldValue. false to not cancel the property change; the value changes to NewValue.
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | Attempted to cancel in an instance where IsCancelable is false. |
Remarks
Always check IsCancelable first in your event handling before attempting to set Cancel to true.
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.