Context-sensitivity is important because the link must decide whether to open a new document or to fire off a command at its parent.
To execute the command, TWebLinkView uses its link's model reference to create a TModelSelection and a TDocumentSurrogate. It then uses the selection to create a TDocumentComponentCommandBinding which it hands to the document surrogate to adopt and do. By using the command mechanism on the document this way, this program is placing the command in the document's command history, so the global Undo and Redo operations automatically operate correctly in returning to any previous page.
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