protected override bool UpdateObjectState() //return true, if changed
{
MultiTrackBarHitInfo hitInfo = (MultiTrackBarHitInfo)CalcHitInfo(MousePosition);
ObjectState prevState = State;
State = CalcObjectState();
int prevThumbIndex = StateThumbIndex;
StateThumbIndex = hitInfo.ThumbIndex;
return(prevState != State);
}
public override EditHitInfo CalcHitInfo(Point p)
{
MultiTrackBarHitInfo mhi = new MultiTrackBarHitInfo();
int index = 0;
foreach (Rectangle thumb in ThumbsBounds)
{
if (thumb.Contains(p))
{
mhi.SetHitTestCore(EditHitTest.Button);
mhi.SetHitObjectCore(EditHitTest.Button);
mhi.ThumbIndex = index;
break;
}
index++;
}
return(mhi);
}
