Override the ToolStripComboBox.OnSubscribeControlEvents(Control) method to add or prevent the synchronizing of control events.
If you override and hook up events here, unhook them by using the ToolStripComboBox.OnUnsubscribeControlEvents(Control) method.
Raising an event invokes the event handler through a delegate. For more information, see Raising an Event.
The ToolStripComboBox.OnSubscribeControlEvents(Control) 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.