public void SetFile(string filepath, SolutionItemTypes type)
 {
     switch (type)
     {
             case SolutionItemTypes.FlowChart:
             drawFlowChart(filepath);
             break;
             case SolutionItemTypes.ImplementationPlan:
             DrawImplementationPlan(filepath);
             break;
     }
 }
 public SolutionTreeItem(SolutionItemTypes ItemType)
 {
     Items=new List<SolutionTreeItem>();
     Type = ItemType;
 }