SetDefaultCommConfig info Overview Group

The SetDefaultCommConfig function sets the default configuration for a communications device.

BOOL SetDefaultCommConfig(

LPCSTR lpszName,

LPCOMMCONFIG lpCC,

DWORD dwSize

);

Parameters

lpszName: Points to a null-terminated string specifying the name of the device.
lpCC: Points to a COMMCONFIG structure.
dwSize: Specifies the size, in bytes, of the structure pointed to by lpCC.

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.