| Class | Description |
 | CancelableMdiWindowEventArgs | Provides the event data for ahe cancelable tabbed Mdi window events. |
 | HiddenMdiTabCollection | Provides the list of MdiTabs that are hidden tabs. |
 | MdiTab | Provides the MDI tab that is assigned to a user's MDI form (a form derived from the framework's MdiTabForm). |
 | MdiTabCollection | Provides the list of MdiTabs that are members of a MdiTabGroup. |
 | MdiTabForm | Provides the base class for a user form which is to be shown as a tabbed MDI form. |
 | MdiTabGroup | Provides access to the MdiTabs which compose a MdiTabGroup. |
 | MdiTabGroupCollection | Provides the list of tabbed groups in the Mdi frame. |
 | MdiTabGroupSettings | Provides the appearance settings for the MdiTabGroup. |
 | MdiTabManager | Provides the management of the tabbed MDI windows. |
 | MdiTabSettings | Provides the appearance settings for the MdiTabs. |
 | MdiWindowEventArgs | Provides the event data for the tabbed Mdi window events. |