public void Dispose()
{
if (FInternalNodeListener != null)
{
FInternalNodeListener.Dispose();
FInternalNodeListener = null;
}
if (FPins != null)
{
foreach (Pin pin in FPins)
{
pin.Dispose();
}
FPins.Clear();
}
if (FLabelPin != null)
{
FLabelPin.Changed -= HandleLabelPinChanged;
}
if (FNodes != null)
{
foreach (Node childNode in FNodes)
{
childNode.Dispose();
}
FNodes.Clear();
}
FNodeInfoFactory.NodeInfoUpdated -= HandleNodeInfoUpdated;
}
/// <summary> Get or set the object at a specific point. </summary>
public object this[Point APoint]
{
get
{
KDTree.Node LNode = FTree.Query(APoint);
if (LNode != null)
{
return(LNode.Object);
}
else
{
return(null);
}
}
set
{
// Remove any item at this spot
KDTree.Node LNode = FTree.Query(APoint);
if (LNode != null)
{
FTree.Remove(LNode);
FNodes.Remove(LNode.Object);
}
// Add the new item at the spot
if (value != null)
{
LNode = new KDTree.Node(APoint, value);
FTree.Add(LNode);
FNodes.Add(value, LNode);
}
}
}
/// <summary> Removes the object at a given point. </summary>
public void Remove(object AObject)
{
KDTree.Node LNode = (KDTree.Node)FNodes[AObject];
FTree.Remove(LNode);
FNodes.Remove(AObject);
}