This is what I've got so far, if anyone has any suggestions for further additions.
 Code:
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;;    visInit()			Create the Visio object reference                                           ;;
;;    visFile()			Open, Save, SaveAs, or Close file functions                                 ;;
;;    visNewDrawing()		Create a new drawing file from any given template, in US or Metric          ;;
;;    visDrawingProperties()	Sets or Gets properties from current visio drawing                          ;;
;;    visChangePage()		Change the width, height, orientation, or name of current page              ;;
;;    visChangeElement()	Change the size, position, and font properties of an object                 ;;
;;    visChangeText()		Change all or a portion of the text on any given element                    ;;
;;    visCreateRect()		Create a rectangle with optional text, border, and fill                     ;;
;;    visCreateConnector()	Create a line connector between two objects                                 ;;
;;    visCreateElement()	Creates a given element from a given stencil file                           ;;
;;    visDeleteElements()	Deletes element(s) as specified by ID number(s)                            ;;
;;    visCopyElements()		Copies given element(s), as if right-clicked and copied                     ;;
;;    visPasteElements()	Pastes currently copied element(s)                                          ;;
;;    visExportAs()		Exports a visio drawing into either the PDF or XPS format                   ;;
;;    visPrintSetup()		Change print setup options zoom, fit to, centered, margins, and gridlines   ;;
;;    visPrint()		Prints all pages of current document to specified printer                   ;;
;;    VisQuit()			Destroy the instantiated object & shut down Visio                           ;;
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