protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
material = new MoleculeDefaultMaterials();
material.LoadModuleSettings(null);
pictureBox1.Image = material.DrawPTToBitmap(this.Width, this.Height,
true, true, true, true, true,
out ptWidth, out ptHeight, out elWidth,
out elHeight, out tableOrigin);
}