private static SEBWindowHandler.WINDOWPLACEMENT GetPlacement(this IntPtr hwnd)
 {
     SEBWindowHandler.WINDOWPLACEMENT lpwndpl = new SEBWindowHandler.WINDOWPLACEMENT();
     lpwndpl.length = Marshal.SizeOf((object)lpwndpl);
     SEBWindowHandler.GetWindowPlacement(hwnd, ref lpwndpl);
     return(lpwndpl);
 }