private void AddCategory(Evolution.Source source) { Logger.Debug ("AddCategory"); EDSCategory edsCategory; Gtk.TreeIter iter; if (source.IsLocal()) { Cal taskList = new Cal (source, CalSourceType.Todo); edsCategory = new EDSCategory (source, taskList); iter = categoryListStore.Append (); categoryListStore.SetValue (iter, 0, edsCategory); //Assumption : EDS Creates atleast one System category. if (edsCategory.IsSystem) this.defaultCategory = edsCategory; if (!taskList.Open (true)) { Logger.Debug ("laskList Open failed"); return; } CalView query = taskList.GetCalView ("#t"); if (query == null) { Logger.Debug ("Query object creation failed"); return; } else query.Start (); query.ObjectsModified += TasksModified; query.ObjectsAdded += TasksAdded; query.ObjectsRemoved += TasksRemoved; } }