When you type in an Excel formula such as "=IF(......)" into a cell in Excel,
it shows you a tooltip text with the paremeters of the formula just like VBA
does or C# does in Visual Studio, etc.

I have created several UDFs in an XLA. When I type the name of my UDF into
a cell (for example "=MyUDF(........)") I would like to be able to display
the same type of tooltip text with my parameters. Is this possible?

Thanks,
Jeff