ITypeDescriptorContext::OnComponentChanging Method ()

Return Value

true if this object can be changed; otherwise, false.

Use the OnComponentChanging method to send notification that an instance of an object is about to be changed. This method also returns a value indicating whether this object can be changed. When false is returned, do not change the object.

Raising an event invokes the event handler through a delegate. For more information, see NIB: Raising an Event.

The OnComponentChanging method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.