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#define INCL_DOSDEVIOCTL
 
USHORT DosDevIOCtl(0L, pbCommand, 0x0060, 0x000B, hDevice)
PBYTE pbCommand;    /* pointer to variable with command */
HFILE hDevice;      /* device handle                    */
 
The DEV_QUERYMONSUPPORT function queries a device driver for monitor
support.
 
Parameter  Description
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pbCommand  Points to the variable that contains a reserved value. This value
           must be zero.
 
hDevice    Identifies the 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 device supports character monitors or an
error value if an error occurs.
 
See Also
 
DosOpen
 
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