RoutedPropertyChangedEventArgs<T>.OldValue Property
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Gets the previous value of the property as reported by a property-changed event.
Namespace: System.Windows
Assembly: System.Windows (in System.Windows.dll)
Syntax
'Declaration
Public Property OldValue As T
public T OldValue { get; private set; }
Property Value
Type: T
The generic value. In a practical implementation of the RoutedPropertyChangedEventArgs<T>, the generic type of this property is replaced with the constrained type of the implementation.
Remarks
The value and type constraint of this property are established by the RoutedPropertyChangedEventArgs<T> constructor's type arguments.
Version Information
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.