WM_SIZE Code Example
4/19/2010
Use the WM_SIZE notification for detecting screen rotations for, and performing processing on all full-screen application windows. The following code is an example of a window's WndProc function that includes a case statement for handling the WM_SIZE notification.
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;
}
}