Message Boxes: The Message Box Position



The MessageDlgPos() function provides extra possibilities to the programmer. It behaves exactly like the MessageDlg() function. To create a message box based on this function, use the syntax:

int __fastcall MessageDlgPos(const AnsiString Msg,
			     TMsgDlgType DlgType,
			     TMsgDlgButtons Buttons,
			     int HelpCtx,
			     int X,
			     int Y);


Besides the same arguments as the MessageDlg() function, the MessageDlgPos() function allows you to specify the coordinates used to display the dialog box. The X argument is an integer value that specifies the distance between the left border of the screen and the left border of the dialog box. The Y argument represents the height from the top border of the screen to the top border of the dialog box. Here is an example:

WINAPI _tWinMain(HINSTANCE hInstance,
				   HINSTANCE hPrevInstance,
				   LPSTR lpCmdLine,
				   int nCmdShow)
    MessageDlgPos(L"The right side of the main form displays "
	          L"a \"Read-Only\" list of currently registered students.\n"
	          L"This only includes students with good records.",
	          TMsgDlgButtons() << mbRetry << mbIgnore,
                  0, 20, 120);
    return 0;

This would produce:

Message Box




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