private void loadHierarchyFromFile(object sender, EventArgs e) { SubjectCache.Clear(); Subjects.Clear(); openHierarchyDialog.Filter = "Data Files (*.dat) |*.dat|All files(*.*) |*.*"; if (openHierarchyDialog.ShowDialog() == DialogResult.OK && openHierarchyDialog.FileName != null) { IFormatter formatter = new BinaryFormatter(); Subjects = BinaryFormatterHelper.Read <List <SubjectItem> >(openHierarchyDialog.FileName, Assembly.GetExecutingAssembly()); ConstructCasheFromSubjects(Subjects); subjectsTreeView.BeginUpdate(); foreach (var item in Subjects) { if (item.ParentItem == null) { subjectsTreeView.Nodes.Add(item.Node); } } subjectsTreeView.EndUpdate(); } }
private void saveHierarchy(object sender, EventArgs e) { saveHierarchyDialog.Filter = "Data Files (*.dat) |*.dat|All files(*.*) |*.*"; if (saveHierarchyDialog.ShowDialog() == DialogResult.OK && saveHierarchyDialog.FileName != null) { BinaryFormatterHelper.Write(Subjects, saveHierarchyDialog.FileName); } }