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);
}
}