public static void GenDisplayItemLine(DisplayItemList DLList
, GePoint startPoint, GePoint endPoint)
{
Debug.Assert(DLList != null && startPoint != null && endPoint != null);
if (null == DLList || null == startPoint || null == endPoint) return;
if (!startPoint.IsEqualTo(endPoint))
{
DisplayItemLine dpLine = new DisplayItemLine(startPoint, endPoint);
DLList.AddItem(dpLine);
}
}
// Support the operation for selection
protected override Manipulator OnItemSelection(DisplayItemLine SelectedItem)
{
try
{
PolyLineNode Node = (PolyLineNode)m_Node;
return new MoveLineManipulator(Node);
}
catch
{
return null;
}
}
protected virtual Manipulator OnItemSelection(DisplayItemLine SelectedItem)
{
return null;
}
