RoutedPropertyChangedEventArgs(Of T).OldValue Property


Gets the previous value of the property as reported by a property changed event.

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

Public ReadOnly Property OldValue As T

Property Value

Type: T

The generic value. In a practical implementation of the RoutedPropertyChangedEventArgs(Of T), the generic type of this property is replaced with the constrained type of the implementation.

The value and type constraint of this property will be established by the RoutedPropertyChangedEventArgs(Of T) constructor's type arguments.

.NET Framework
Available since 3.0
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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