Hello........
I am using different types of Annotations on ultra chart. Now I want to drag these Annotations at different
locations as enduser needs.
Whenever I try to drag any of the annotations, only one specific annotation (which was added first ) is
dragging. How can I identify that which Annotation has been selected by the user ?
i am using this code :
public override bool CanStart() { foreach (Annotation annotation in this.UltraChart.Annotations.Annotations) {
//Box Annotation BoxAnnotation boxAnnotation = annotation as BoxAnnotation; if (boxAnnotation == null) continue;
Point pt = new Point((int)boxAnnotation.Location.LocationX, (int)boxAnnotation.Location.LocationY); Size size = boxAnnotation.GetBoxSize();
pt.X -= size.Width / 2; pt.Y -= size.Height / 2;
Rectangle rect = new Rectangle(pt, size);
if (rect.Contains(this.LastInput.ViewPoint) == false) return false;
this.draggingAnnotation = boxAnnotation;
this.prevPoint = this.LastInput.ViewPoint;
// EllipseAnnotation
EllipseAnnotation _ellipseAnnotation = annotation as EllipseAnnotation; if (_ellipseAnnotation == null) continue;
Ellipse _ellipse = new Ellipse(new Point((int)_ellipseAnnotation.Location.LocationX), new Point((int)_ellipseAnnotation.Location.LocationY));
// Rectangle rect = new Rectangle(pt, size);
//if (rect.Contains(this.LastInput.ViewPoint) == false) // return false;
this.draggingAnnotation = _ellipseAnnotation;
}
Thanks
Dilip Natani
http://forums.infragistics.com/forums/p/9701/37617.aspx#37617
ok it works.....but how it is work in case of another annotations like EllipseAnnotation,lineAnnotations.