RoutedPropertyChangedEventArgs<T>.OldValue Property
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Gets the previous value of the property as reported by a property-changed event.
Assembly: System.Windows (in System.Windows.dll)
Property Value
Type: TThe 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.
The value and type constraint of this property are established by the RoutedPropertyChangedEventArgs<T> constructor's type arguments.
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