| Gauge | Represents a Gauge control. |
| LimitLine | Represents a limit line in the Gauge control. |
| LimitLineCollection | Represents the collection LimitLine class objects. |
| Needle | Represents a needlei na Gauge control. |
| NeedleCollection | Represents a collection of Needle objects used by Gauge. |
| OutOfRangeIndicator | Represents the settings for the out of range indicators. |
| Range | Represents a colored range in the Gauge control. |
| RangeCollection | Represents the collection Range class objects. |