>Hi!
>SendMessage parameters are the same both in Win and WinNT:
>LRESULT SendMessage(
> HWND hWnd, // handle to destination window
> UINT Msg, // message
> WPARAM wParam, // first message parameter
> LPARAM lParam // second message parameter
>);
>Are you sure that problem in SendMessage()? Have you checked return value?
>Your param1 = 274 seems to be WM_SYSCOMMAND message, but I can't find system command with -4078 code. SC_MOVE = -4080.
>

Hello.

Thank you for the answer. What I don't understand: why it does work under Win98? The code I've posted is all the code I use. And it works. SendMessage() return value is 0 under WinNt.

Thanks