public void Save()
 {
     Model.Save();
     MarkdownDocument.Save();
     if (_editTicketDialog != null)
     {
         _editTicketDialog.Close();
         _editTicketDialog = null;
     }
 }
 public void Cancel()
 {
     Model.Load();
     MarkdownDocument.Model.Load();
     if (_editTicketDialog != null)
     {
         _editTicketDialog.Close();
         _editTicketDialog = null;
     }
 }
 public void Edit()
 {
     _editTicketDialog = new EditTicketDialog(DialogOwner, this);
     _editTicketDialog.ShowDialog();
 }