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4/14/2010

Use the WM_SIZEnotification for detecting screen rotations for, and performing processing on all full-screen application windows. The following code is an example of a window's WndProcfunction that includes a case statement for handling the WM_SIZEnotification.

Copy Code 
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam,
LPARAM lParam)
{
	switch (message) 
	 {
		 // The code for handling other Windows messages has been
omitted for clarity.
		 // ...
		case WM_SIZE:
			{
				INT nWidth = LOWORD(
lParam);
				HWND hEditBox = GetDlgItem(hWnd, IDC_EDIT);
				HWND hEnterButton = GetDlgItem(hWnd, IDC_BUTTON);

				MoveWindow(hEditBox, 8, 4, nWidth - 70, 20, TRUE);
				MoveWindow(hEnterButton, nWidth - 57, 4, 50, 20,
TRUE);
		}
			break;
}
}

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