private void button2_Click(object sender, EventArgs e) { Lib.MovieClip mc = new MovieClip(webBrowser, "MovieClip1"); PointF f = mc.localToGlobal(new PointF(11, 10)); Console.WriteLine("X=" + f.X + " Y=" + f.Y); f = mc.globalToLocal(new PointF(f.X, f.Y)); Console.WriteLine("X1=" + f.X + " Y1=" + f.Y); }