RoutedPropertyChangedEventArgs<T>.OldValue Property

Definition

Namespace:

System.Windows

Assembly:

PresentationFramework.dll

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

public:
 property T OldValue { T get(); };

public T OldValue { get; }

member this.OldValue : 'T

Public ReadOnly Property OldValue As T

Property Value

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 will be established by the RoutedPropertyChangedEventArgs<T> constructor's type arguments.