void HandleMouseClick(object sender, MouseEventArgs e)
{
int index = PointIndex (e.X);
if(index != -1) {
OnPointChanged(new OdePointEventArgs (index, new Complex (PointValue (e.Y), 0)));
}
}
void HandleMouseClick(object sender, MouseEventArgs e)
{
double re = (double)(2 * e.X - Width) / (Width - 10);
double im = (double)(2 * e.Y - Height) / (Height - 10);
Complex z = new Complex (re, im);
OnPointAdded(new OdePointEventArgs (N, z));
}
