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#define INCL_DOSDEVIOCTL
 
USHORT DosDevIOCtl(0L, 0L, 0x0050, 0x0007, hDevice)
HFILE hDevice;    /* device handle */
 
The MOU_ALLOWPTRDRAW function notifies the mouse device driver that the
screen group has been switched and that the pointer can now be drawn.
 
Parameter  Description
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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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