# CCrystalTextBuffer class is responsible for storing lines, loading and saving text to a file. To simplify Undo/Redo command implementations, every editing operation is split into a sequence of 'insert text' and 'delete text' actions. Accordingly, CView-derived classes are only intended to react only on this primitive operations. # CCrystalTextView class is the framework for text viewing window. It derives from CView, and it provides text painting code, overridable functions for syntax highlighting, different kinds of text selections, cursor movements, Find common dialog etc.
