public override void ButtonUp(Canguro.View.GraphicView activeView, System.Windows.Forms.MouseEventArgs e)
{
//setTransform(e.X, e.Y);
//gv.ArcBallCtrl.OnMovePan(e);
//gv.ViewMatrix = gv.ArcBallCtrl.TranslationMatrix * gv.ArcBallCtrl.RotationMatrix;
}