Click:- Occurs when a control is clicked. In some cases, this event also occurs when a user
presses the Enter key.
Drop:- Occurs when a drag-and-drop operation is completed — in other words, when an
object has been dragged over the control, and the user releases the mouse button.
DragEnter:- Occurs when an object being dragged enters the bounds of the control.
DragLeave:- Occurs when an object being dragged leaves the bounds of the control.
DragOver:- Occurs when an object has been dragged over the control.
KeyDown:- Occurs when a key is pressed while the control has focus. This event always occurs
before KeyPress and KeyUp.
KeyUp:- Occurs when a key is released while a control has focus. This event always occurs
after KeyDown event.
GotFocus:- Occurs when a control receives focus. Do not use this event to perform validation
of controls. Use Validating and Validated instead.
LostFocus:- Occurs when a control loses focus. Do not use this event to perform validation of
controls. Use Validating and Validated instead.
MouseDoubleClick:- Occurs when a control is double-clicked.
MouseDown:- Occurs when the mouse pointer is over a control and a mouse button is pressed.
This is not the same as a Click event because MouseDown occurs as soon as the
button is pressed and before it is released.
MouseMove:- Occurs continually as the mouse travels over the control.
MouseUp:- Occurs when the mouse pointer is over a control and a mouse button is released.
presses the Enter key.
Drop:- Occurs when a drag-and-drop operation is completed — in other words, when an
object has been dragged over the control, and the user releases the mouse button.
DragEnter:- Occurs when an object being dragged enters the bounds of the control.
DragLeave:- Occurs when an object being dragged leaves the bounds of the control.
DragOver:- Occurs when an object has been dragged over the control.
KeyDown:- Occurs when a key is pressed while the control has focus. This event always occurs
before KeyPress and KeyUp.
KeyUp:- Occurs when a key is released while a control has focus. This event always occurs
after KeyDown event.
GotFocus:- Occurs when a control receives focus. Do not use this event to perform validation
of controls. Use Validating and Validated instead.
LostFocus:- Occurs when a control loses focus. Do not use this event to perform validation of
controls. Use Validating and Validated instead.
MouseDoubleClick:- Occurs when a control is double-clicked.
MouseDown:- Occurs when the mouse pointer is over a control and a mouse button is pressed.
This is not the same as a Click event because MouseDown occurs as soon as the
button is pressed and before it is released.
MouseMove:- Occurs continually as the mouse travels over the control.
MouseUp:- Occurs when the mouse pointer is over a control and a mouse button is released.
