private static Element AddInterval2(GanttView gantt, Element parent, DateTime? start, DateTime? finish, string id, string type, string tag)
{
Element child = null;
if (start != null && finish != null)
{
child = gantt.CreateIntervalElement(parent, start.Value, finish.Value, id, type, tag);
if (type == "Summary")
{
gantt.CreatePointElement(child, start.Value, null, type + "Start", tag);
gantt.CreatePointElement(child, finish.Value, null, type + "Finish", tag);
}
}
else
{
if (start != null)
{
child = gantt.CreatePointElement(parent, start.Value, id, type + "Start", tag);
}
if (finish != null)
{
child = gantt.CreatePointElement(parent, finish.Value, id, type + "Finish", tag);
}
}
return child;
}
