System.Windows.Forms 2.0.0.0 To be added. Defines mouse events. Method 2.0.0.0 System.Void Raising an event invokes the event handler through a delegate. For more information, see Raising an Event. The 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. Raises the event. A that contains the event data. Method 2.0.0.0 System.Void Raising an event invokes the event handler through a delegate. For more information, see Raising an Event. The 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. Raises the event. A that contains the event data. Method 2.0.0.0 System.Void Raising an event invokes the event handler through a delegate. For more information, see Raising an Event. The 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. Raises the event. An that contains the event data. Method 2.0.0.0 System.Void Raising an event invokes the event handler through a delegate. For more information, see Raising an Event. The 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. Raises the event. A that contains the event data.