| Navigation: Language Reference > App B - Events > Field-Specific Events >====== Mouse Events ====== |    |
EVENT:MouseDown
On a REGION with the IMM attribute, a synonym for EVENT:Accepted (for code readability, only).
EVENT:MouseIn
On a REGION with the IMM attribute, the mouse cursor has entered the region.
EVENT:MouseMove
On a REGION with the IMM attribute, the mouse cursor has moved within the region.
EVENT:MouseOut
On a REGION with the IMM attribute, the mouse cursor has left the region.
EVENT:MouseUp
On a REGION with the IMM attribute, the mouse button has been released.