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Asked: 2026-05-23T13:06:39+00:00

I want to create a UDF which is like GetPath(parameter) , where parameter can

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I want to create a UDF which is like GetPath(parameter), where parameter can be a cell reference like "B1", or a string
what the GetPath does, based on input, it will call web service to get path for input
e.g. formula of cell A1=GetPath(B1), cell B1 has some string, the function should return path and put it in cell A1, i.e. "Value2" of A1 should be path of B1.

Now in C#, when I did sth FormulaCell.Value2 = path, its formula changes, too
but I want “Formula” & “Value2” to be different.

I know this is possible in VBA, but I am using C#.

Anyone knows how to accomplish this?

thanks

I googled, googled and still not found a solution.
This sounds like a basic feature but impossible in C#. at least that’s what I got through research. I am sure some of you have encountered the same issue before, just wonder how you work it out?

I am going to try this in VB.NET if that works then I will reference it in C#. If anyone knows in VB.NET, pls also post. thanks

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1 Answer

  1. Editorial Team

    My addin was COM AddIn which is not possible to have range.value2 different from range.formula
    no matter it is C# or VB.NET.

    This can be done using VBA, Automation AddIn in .NET, or xll addin.
    For xll addin, you can either write in C/C++, or use existing tools like ExcelDNA, managedXLL, XLW, etc.

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