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When writing a custom function to use in excel using VBA, How to write the documentation comments so that the excel automatically displays during auto-fill of a formula?
For example, when we start typing VLookUp, It shows what Vlookup does as a tool tip, shows the input variable names and if we press Insert Function from the ribbon, a dialog is shown with clear explanation of the function... How can we achieve that while writing custom functions in VBA?
I've seen this question a few times, and so far no answer has been provided.
I'm afraid it's just not possible (at least for Excel 2007, not sure about 2010).
I believe you must use
Application.MacroOptionsto register your function and its description, and optionally provide a help file to make the Help on this Function link work.Not sure how to provide inline description for the parameters though.