SetCommConfig

The SetCommConfig function sets the current configuration of a communications device.

BOOL SetCommConfig(
  HANDLE hCommDev,    // handle to comm device
  LPCOMMCONFIG lpCC,  // pointer to comm configuration services
  DWORD dwSize        // size of structure
);
 

Parameters

hCommDev

Handle to the open communications device.

lpCC

Pointer to a COMMCONFIG structure.

dwSize

Specifies the size, in bytes, of the structure pointed to by lpCC.

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.

QuickInfo

  Windows NT: Requires version 4.0 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in winbase.h.
  Import Library: Use kernel32.lib.

See Also

Communications Overview, Communication Functions, GetCommConfig, COMMCONFIG