bool b = Win32.SetWindowPos((int)winform.Handle, VFPForm.HWnd, 0, 0, 0, 0, Win32.SWP_NOMOVE | Win32.SWP_NOSIZE | Win32.SWP_SHOWWINDOW); ... public static extern bool SetWindowPos( int hWnd, // window handle int hWndInsertAfter, // placement-order handle int X, // horizontal position int Y, // vertical position int cx, // width int cy, // height uint uFlags); // window positioning flags