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GetCommState info  Overview  Group

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

CreateFile, DCB, SetCommState 

file: /Techref/os/win/api/win32/func/src/f29_2.htm, 2KB, , updated: 2000/4/7 11:19, local time: 2024/11/28 01:32,
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