RoutedPropertyChangedEventArgs<T>.OldValue Property
Definition
Important
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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 : 'TPublic ReadOnly Property OldValue As TProperty 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.
Applies to
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