The classes you use to create an editable text document component also derive from a set of abstract classes provided by the Text Editing framework. These classes define the protocol needed for handling text data. For example, TTextModel provides the data model for an editable text document component, and derives from both the Compound Document framework class TModel and the Text Editing framework class MTextRepresentation:
When you want to create editable text elements for use outside the context of the compound document, the Text Editing framework also provides a set of classes you can use to create text elements that aren't based on the Presentation and Document frameworks. These classes derive from the same abstract classes that define the protocol for text document components. For example, the class TSimpleTextStore derives from MTextRepresentation, and provides the protocol for storing and modifying text data and selecting editable text. These classes provide a way for you to create simple editable text elements that don't implement the full functionality of the Document frameworks.
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