public static void RubberBandStretcher_Delete(IntPtr rbs)
 {
     if (IntPtr.Size == 8)
     {
         RubberBandNativeMethodsx64.RubberBandStretcher_Delete(rbs);
     }
     else
     {
         RubberBandNativeMethodsWin32.RubberBandStretcher_Delete(rbs);
     }
 }