 
            | Miner.Windows Assembly > Miner.Windows.TabbedMdi Namespace : MdiTabGroupCollection Class | 
The following tables list the members exposed by MdiTabGroupCollection.
| Name | Description | |
|---|---|---|
|  | Count | Return the number of MdiTabGroups defined in this application. | 
|  | IsReadOnly | Returns whether this collection consists of readonly members. | 
|  | IsSynchronized | Returns whether access to the collection is thread safe. | 
|  | Item | Overloaded. Retrieves a MdiTabGroup from the list of MdiTabGroups by index number in list. | 
|  | SyncRoot | Returns an object that can be used to synchronize assess to the collection. | 
| Name | Description | |
|---|---|---|
|  | Add | Adds a new MDI tab group to the MDI tab manager's tab group collection. NOTE: A MDI tab group cannot be added directly to the collection. The associated MDI tab window should be added using... | 
|  | Clear | Clears the list of tab groups. NOTE: The MDI tab group list cannot be cleared, each associated window must be made invisible or closed to remove it from the list. | 
|  | Contains | Overloaded. Returns whether the specified MDI tab group is in the list of tab groups. | 
|  | CopyTo | Copies the items in this collection into an array. | 
|  | GetEnumerator | Provides support to allow type-safe iteration over the CommandCollection. | 
|  | Remove | Removes the specified MDI tab group from list of tab groups. NOTE: A MDI tab group cannot be directly removed from the tab group collection. The associated tabs must first be removed. |