public override void Invalidate()
{
Point p = Point;
p.Offset(-5, -5);
if (Model != null)
{
Model.RaiseOnInvalidateRectangle(new Rectangle(p, new Size(10, 10)));
}
}
public override void Invalidate()
{
Rectangle r = Rectangle;
r.Offset(-10, -10);
r.Inflate(40, 40);
if (Model != null)
{
Model.RaiseOnInvalidateRectangle(r);
}
}
public override void Invalidate()
{
if (mRectangle == null)
{
return;
}
Rectangle rec = mRectangle;
rec.Inflate(20, 20);
Model.RaiseOnInvalidateRectangle(rec);
}
public override void Move(Point p)
{
Point pt = new Point(this.Point.X + p.X, this.Point.Y + p.Y);
IConnection con = null;
Point p1 = Point.Empty, p2 = Point.Empty;
Rectangle rec = new Rectangle(Point.X - 10, Point.Y - 10, 20, 20);
this.Point = pt;
#region Case of connection
if (typeof(IConnection).IsInstanceOfType(this.Parent))
{
(Parent as IConnection).Invalidate();
}
#endregion
#region Case of attached connectors
for (int k = 0; k < AttachedConnectors.Count; k++)
{
if (typeof(IConnection).IsInstanceOfType(AttachedConnectors[k].Parent))
{
//keep a reference to the two points so we can invalidate the region afterwards
con = AttachedConnectors[k].Parent as IConnection;
p1 = con.From.Point;
p2 = con.To.Point;
}
AttachedConnectors[k].Move(p);
if (con != null)
{
//invalidate the 'before the move'-region
Rectangle f = new Rectangle(p1, new Size(10, 10));
Rectangle t = new Rectangle(p2, new Size(10, 10));
Model.RaiseOnInvalidateRectangle(Rectangle.Union(f, t));
//finally, invalidate the region where the connection is now
(AttachedConnectors[k].Parent as IConnection).Invalidate();
}
}
#endregion
//invalidate this connector, since it's been moved
Invalidate(rec); //before the move
this.Invalidate(); //after the move
}