| Check(Control) | Check an specific ctrl. |
| Check(IEnumerableControl) | Check multiple Controls at once. |
| CheckT(String) | Check all the Controls of the specified Type on the active Formulary. |
| CheckT(Control, String) | Check all the Controls of the specified Type on the specified Control Container. |
| CheckT(ControlControlCollection, String) | Check all the Controls of the specified Type on the specified Control Collection. |