GetCommState
The GetCommState
function fills in a device-control block (a DCB structure) with the
current control settings for a specified communications device.
BOOL GetCommState(
|
HANDLE hFile, |
// handle of
communications device |
|
LPDCB lpDCB |
// address of
device-control block structure |
|
); |
|
Parameters
hFile
Identifies
the communications device. The CreateFile function returns this handle.
lpDCB
Points to the
DCB structure in which the control settings information is returned.
Return Values
If the
function succeeds, the return value is nonzero.
If the
function fails, the return value is zero. To get extended error information,
call GetLastError.
See Also