public void SheetManager()
		{
			UIDocument uidoc = this.ActiveUIDocument;
			Document doc = uidoc.Document;
			
			ICollection<ElementId> selectedSheetsId = uidoc.Selection.GetElementIds();
			
			ICollection<ViewSheet> selectedSheets = new List<ViewSheet>();
			
			foreach (var eid in selectedSheetsId) {
				selectedSheets.Add(doc.GetElement(eid) as ViewSheet);
			}
			
			uidoc.ActiveView = uidoc.ActiveGraphicalView;
			
			XYZ origin = uidoc.Selection.PickPoint("Select insertion point");
			
			double Yoffset = origin.Y;
            double width = 0.5; //feet 
			
                TextNoteOptions options = new TextNoteOptions();
                options.HorizontalAlignment = HorizontalTextAlignment.Left;
                options.TypeId = doc.GetDefaultElementTypeId(ElementTypeGroup.TextNoteType);

                ICollection<Element> allLegends = new FilteredElementCollector(doc).OfClass(typeof(View)).ToList();

                List<Tuple<string, string>> result = new List<Tuple<string, string>>();
            
			var sortedList = selectedSheets.OrderBy(pd => pd.SheetNumber);
					string headers = "Sheet Numbers; LegendIds; Legend Positions; LegendNames";
                    string sheetNumbers = "";
                    string legendIds = "";
                    string legendName = "";
                    string legendPosition = "";
             
			foreach (ViewSheet vs in sortedList) {
				
                	ICollection<ElementId> viewports = vs.GetAllViewports();
                	foreach (var vpid in viewports) {
                		Viewport vport = doc.GetElement(vpid) as Viewport;
                		View view = doc.GetElement(vport.ViewId) as View;
                		if (view.ViewType == ViewType.Legend){
                			result.Add (new Tuple<string, string>(vs.SheetNumber.ToString(), vpid.ToString()));
                			sheetNumbers += vs.SheetNumber.ToString() +"; \n";
                			legendIds += vpid.ToString() +";\n";
                			legendName += view.Name+";\n";
                			legendPosition += vport.GetBoxCenter()+";\n";
                		}
                			
                			
                	}
			}                
                                                                                                         

              using (Transaction t = new Transaction(doc, "Place text"))
                {
                    t.Start();

                   		XYZ headersPos = new XYZ(origin.X, Yoffset+0.02, 0);
                        XYZ col1 = new XYZ(origin.X, Yoffset, 0);
                        XYZ col2 = new XYZ(origin.X+0.05, Yoffset, 0);
                        XYZ col3 = new XYZ(origin.X+0.10, Yoffset, 0);
                        XYZ col4 = new XYZ(origin.X+0.35, Yoffset, 0);

                        TextNote noteHeader = TextNote.Create(doc, doc.ActiveView.Id, headersPos, width, headers, options);
                        TextNote note1 = TextNote.Create(doc, doc.ActiveView.Id, col1, 0.05, sheetNumbers, options);
						TextNote note2 = TextNote.Create(doc, doc.ActiveView.Id, col2, 0.05, legendIds, options);
						TextNote note3 = TextNote.Create(doc, doc.ActiveView.Id, col3, width, legendPosition, options);
						TextNote note4 = TextNote.Create(doc, doc.ActiveView.Id, col4, width, legendName, options);
						
                        
                    
                    
                    t.Commit();
                }
              
		}