CWindow::ResizeClient() Function for CWnd (or derived classes)

With this Function you can resize the window to the specified client area
size of your CWnd or derived classes like the CWindow::ResizeClient()
function.

Example

You have a dialog based application and the client rect of the
dialog depends on the size of a bitmap.

Source Code

BOOL CYourWndOrDialog::ResizeClient (int nWidth,
                                     int nHeight,
                                     BOOL bRedraw)
{
 RECT rcWnd;
 GetClientRect (&rcWnd);
 if(nWidth != -1)
  rcWnd.right = nWidth;
 if(nHeight != -1)
  rcWnd.bottom = nHeight;
 if(!::AdjustWindowRectEx(&rcWnd,
                          GetStyle(),
                          (!(GetStyle() & WS_CHILD)
 && GetMenu() != NULL)), GetExStyle()))
  return FALSE;
 UINT uFlags = SWP_NOZORDER | SWP_NOMOVE;
 if(!bRedraw)
  uFlags |= SWP_NOREDRAW;
 return SetWindowPos(NULL,
                     0, 0,
                     rcWnd.right - rcWnd.left,
                     rcWnd.bottom - rcWnd.top,
                     uFlags);
} // CYourWndOrDialog::ResizeClient