INotifyPropertyChanging Interface  
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Notifies clients that a property value is changing.
public interface class INotifyPropertyChanging
	public interface INotifyPropertyChanging
	type INotifyPropertyChanging = interface
	Public Interface INotifyPropertyChanging
	- Derived
 
Remarks
The INotifyPropertyChanging interface is used to notify clients, typically binding clients, that a property value is changing.
INotifyPropertyChanging is introduced in the .NET Framework version 3.5. For more information, see Versions and Dependencies.
Events
| PropertyChanging | 
		 Occurs when a property value is changing.  |