VCOMM_PM_API_SetMSRShadow

include vcomm.inc

mov     ebx, hPort
les     dx, myshadow
mov     ax, VCOMM_PM_API_SetMSRShadow
call    [_VCOMMCallAddr]

Sets the address of the modem status shadow. There is no corresponding VCOMM service. VCOMM calls the PortSetModemStatusShadow port-driver function when this function is called.

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

hPort

Communications resource handle.

myshadow

Address of the modem status shadow.