 
            | Miner.Windows Assembly > Miner.Windows.TabbedMdi Namespace : MdiTabGroup Class | 
The following tables list the members exposed by MdiTabGroup.
| Name | Description | |
|---|---|---|
|  | Extent | Returns/sets the length of the horizontal/vertical dimension for this tab group. | 
|  | FirstDisplayedTab | Returns/sets the tab that is the first tab displayed for this tab group. | 
|  | Index | Returns the index of this tab group in the list of MdiTabGroups of the MdiTabManager. | 
|  | Key | Returns/sets a (unique) identifier for this tab group. | 
|  | SelectedTab | Returns/set the selected tab for this tab group. | 
|  | Tabs | Returns the list of tabs for this tab group. |