Basic documents

Documents are objects that contain and provide access to data in the CommonPoint application system. In a sense, a document is only a skeletal object. It possesses a minimal set of functions to allow for local and remote addressing. Before you add further functionality to it, it can do little other than store document attributes and user-contributed information, such as title or page-layout information.

A basic document can only contain one type of data, whereas a compound document can store many different types. The basic document cannot embed more than one document component. Embedding and document components are discussed in Chapter 6, "Presentation and Compound Document framework concepts."

You will need to build on the functionality of the basic document by:

Creating a subclass of TDocumentState to hold the persistent document data (for example, user-contributed data)
Extending the virtual streaming operators to instruct the document where to store its persistent data
Creating a content view in which to display the basic document

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