VCOMM_PM_API_cevtget

include vcomm.inc

mov     ebx, hPort
mov     cx, evmask
les     dx, oldmask
mov     ax, VCOMM_PM_API_cevtget
call    [_VCOMMCallAddr]

Calls the _VCOMM_GetCommEventMask service. Uses AX.

• Returns zero in AX if successful, or an error value otherwise.

hPort

Communications resource handle.

evmask

The low word of event mask, which contains the bits that duplicate the Windows 3.1 functionality. VCOMM sets the high word to zero.

oldmask

Address of a 32-bit variable that receives the combination of enabled events that were detected since the last call to this service.

See also CommNotifyProc, _VCOMM_GetCommEventMask