Returns the mouse event mask.
call "CBL_GET_MOUSE_MASK" using     mouse-handle
                                    event-mask
                          returning status-code 
               	 | Using call prototype (see Key) | Picture | |
|---|---|---|
| mouse-handle | cblt-x4-compx | pic x(4) comp-x. | 
| event-mask | cblt-x2-compx | pic x(2) comp-x. | 
| status-code | See Library Routines - Key | 
| mouse-handle | Mouse identifier, obtained by earlier call to CBL_INIT_MOUSE. | 
| event-mask | See Mouse Routines | 
Comments:
The CBL_ mouse routines do not work with the x"AF" mouse routines.