You are busy to develop a Microsoft Windows Forms application that allows the computer engineers
to design circuit boards for different types of hardware. You then create a custom control that portrays the design surface.
Which of the following event should you handle so that you can highlight the available areas on the design surface where a component can be dropped?
A.
DragEnter
B.
QueryContinueDrag
C.
GiveFeedback
D.
DragOver
Explanation:
The DragOver event will be raised if the mouse pointer will move over a control during a drag-and-drop action.,Incorrect Answers:
A: The DragEnter event will raise only if the mouse pointer enters a control during a drag-and-drop action.
B: The QueryContinueDrag event is raise when the mouse or keyboard button state changes.
C: The GiveFeedback event is raised when a drag-and-drop action is started.