asynchronous call from c# to Excel

I have developed a small C# library for Excel. I have a function in that library that I call from Excel. This function is called within a cell in Excel. The function is processed in C# and is called only once. Once called C# will calculate the values and return asynchrnously the values to Excel. (The C# library will return more then one value to the Excel cell). The values should be returned to the same cell the function is called.

I need someone to develop this asynchronous call that can write the values back to the Excel cell.

## Deliverables

1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done.

2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables):

a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment.

b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request.

3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement).

## Platform

Excel, C#, C

Skills: C Programming, PHP

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About the Employer:
( 66 reviews ) London, United Kingdom

Project ID: #3795357

1 freelancer is bidding on average $77 for this job


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$76.5 USD in 2 days
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