The SetDefaultCommConfig function sets the default configuration for a communications device.
BOOL SetDefaultCommConfig(
LPCSTR lpszName, // pointer to device name string
LPCOMMCONFIG lpCC, // pointer to structure
DWORD dwSize // size of structure
);
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.
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.
Unicode: Implemented as Unicode and ANSI versions on Windows NT.
Communications Overview, Communication Functions, GetDefaultCommConfig, COMMCONFIG