public CurrentDatasetChangedEventArgs(TreeNodeTagObject tagObject)
 {
     TagObject = tagObject;
 }
 public DatasetCheckedEventArgs(TreeNodeTagObject tagObject, bool check)
 {
     TagObject = tagObject;
     Checked   = check;
 }
 public ContextMenuItemClickedEventArgs(TreeNodeTagObject tagObject)
 {
     TagObject = tagObject;
 }