Frame windows (objects of class TFrameWindow) are specialized windows that support a client window.

Frame windows are the basis for MDI and SDI frame windows, MDI child windows, and, along with TLayoutWindow, decorated frame windows.

Frame windows have an important role in ObjectWindows development: They manage application-wide tasks like menus and tool bars. Client windows within the frame can be specialized to perform a single task. Changes you make to the frame window (for example, adding tool bars and status bars) do not affect the client windows.

To take advantage of Frame windows, you need to be able to