The second parameter in a Button event-handler parameter list is a reference to an event argument object of type ____.
A) MouseEventArgs
B) KeyEventArgs
C) EventArgs
D) KeyPressEventArgs

Question

Quizplus · Accepted Answer

The second parameter in a Button event-handler parameter list is a reference to an event argument object of type EventArgs. This object contains information about the event that occurred, such as the source of the event and any additional data relevant to the event. While MouseEventArgs and KeyEventArgs are types of event argument objects used in specific types of events, they are not relevant to a Button click event. KeyPressEventArgs is also not relevant to a Button click event.

The Second Parameter in a Button Event-Handler Parameter List Is