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.
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Excel, C#, C