protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
PointF ept = new PointF(e.X, e.Y);
PointF wpt = WindowToWorld(ept);
PointF bpt = WorldToWindow(wpt);
FieldMouseMovedArgs args = new FieldMouseMovedArgs(wpt, ept, bpt);
OnFieldMouseMoved(args);
}
protected void OnFieldMouseMoved(FieldMouseMovedArgs args)
{
EventHandler <FieldMouseMovedArgs> handler = FieldMouseMoved;
handler?.Invoke(this, args);
}