Hi Anatoliy

I tried your suggestion but it failed!

Have no idea for now but I may get some
answers from the developers off the dll.


Best regards
Per

If the function is strict on the byte size for the opendata
did I count right for 512byte?
here is the headerfile from c

typedef struct tagPCDOPENDATA
{
SHORT Port;
SHORT Device;
BOOL bPguMode;
DWORD SbusMode;
DWORD Protocol;
DWORD BaudRate;
DWORD TsDelay;
DWORD TnDelay;
DWORD Timeout;
DWORD BreakLen;
DWORD UartFifoLen;
BOOL bDontClose;
BOOL bPortOpen;
BOOL bConnected;
DWORD dwType;
CHAR Channel[64];
CHAR Section[64];
DWORD ModeToTry;
DWORD Cpu;
DWORD Station;
BOOL bAutoStn;
DWORD Retry;
CHAR DeviceName[64];
BOOL bUseModem;
BOOL bAutoAnswer;
CHAR PhoneNumber[64];
DWORD CountryCode;
DWORD AreaCode;
CHAR Location[64];
BOOL bUseDialing;
DWORD DialRetry;
BOOL bBues;
HWND hPWDlgParentWnd;
BYTE Reserved[84];
} PCDOPENDATA;