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#define INCL_DOSDEVIOCTL
 
USHORT DosDevIOCtl(pusCount, 0L, 0x0060, 0x0007, hDevice)
PUSHORT pusCount;    /* pointer to variable for button count */
HFILE hDevice;       /* device handle                        */
 
The MOU_GETBUTTONCOUNT function retrieves a count of the number of mouse
buttons.
 
Parameter  Description
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pusCount   Points to the variable that receives the count mouse buttons.
 
hDevice    Identifies the pointing device that receives the device-control
           function. The handle must have been created previously by using
           the DosOpen function.
 
Return Value
 
The return value is zero if the function is successful or an error value if
an error occurs.
 
See Also
 
DosOpen
 
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