Intended for use within user code (all in the namepace ExcelDna.Integration) are the following:


  • ExcelFunctionAttribute - for user-defined functions Name Description Category (by default the name of the add-in) HelpTopic IsVolatile (! suffix) IsMacroType (# suffix) IsThreadSafe (??? suffix) IsClusterSafe (& suffix)

  • ExcelArgumentAttribute - for the arguments of user-defined functions Name Description AllowReference (R type) - Arguments of type object may receive ExcelReference.

  • ExcelCommandAttribute - for macro commands Name Description HelpTopic ShortCut (does not seem to work ?) MenuName (default is library name) MenuText IsHidden

  • ExcelComClassAttribute