constructor(propertyName: string, oldValue: any, newValue: any): PropertyChangedEventArgs
Initializes a new instance of the PropertyChangedEventArgs class.
The name of the property whose value changed.
The old value of the property.
The new value of the property.
Gets the new value of the property.
Gets the old value of the property.
Provides a value to use with events that do not have event data.