NotifyPropertyChangingAdapter.AddHandler Method
AddHandler(Object, Action<String>)
Adds a handler to PropertyChanging event.
Declaration
public abstract Delegate AddHandler(object instance, Action<string> handler)Parameters
| Type | Name | Description |
|---|---|---|
| Object | instance | Instance. |
| System.Action<System.String> | handler | Handler delegate that receives property name as an argument. |
Returns
| Type | Description |
|---|---|
| System.Delegate | System.Delegate that was registered to the event or |
Remarks
An implementation should never return null, instead it should return the result of this.Next.AddHandler.