'Obtain ip address automatically' set - on remote computer, got different ip. 'Prefered DSN Server' settings had wrong value. After changing it got correct ip.

You can find out what DLL's are implicitly linked to the DLL or EXE by reading the PE import table. Thanks & Regards, K. Sushilkumar.

BOOL CALLBACK DialogProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { BOOL bResult = FALSE; switch(uMsg) { case WM_INITDIALOG: // implemention code; bResult = TRUE; break; case WM_KEYDOWN: // implemention code; bResult = TRUE; break; } return(bResult); } DialogBox(g_hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, DialogProc);

You're welcome. :) If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile. This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke [My articles]

Hi, I got the solution. I use MakeSureDirectoryPathExists API. Thanks for your response.

kapardhi wrote: i didn't knew this !! I suspected so. :rolleyes: kapardhi wrote: but can u plz tell me the reason why this doesn't work ? Because you must use UNC [^] names for serial ports with number >= 10, e.g. port 12 UNC is \\.\COM12 (you may use always UNC names). :) If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile. This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke [My articles]

Thanks Ernest Laurentin BSTR is working.

Welcome, buddy! God bless, Ernest Laurentin