Overview
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Quick Info

Windows NT
Yes
Win95
Yes
Win32s
No
Import Library
kernel32.lib
Header File
winbase.h
Unicode
No
Platform Notes
None

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

CreateFile
, DCB, SetCommState

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