[_Hell_]

А по-моему достаточно этого

  FormControl                 selectedControl;
   ....
 
  formRun.lock();
  
  [B]selectedControl = formRun.selectedControl();[/B] 
  ....
 
 
  ctrlQueries.enabled(enableCtrlQueries);
 
  [B]formRun.selectControl(selectedControl);[/B]
 
  formRun.unLock();
...