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);
}