I created a new project to record what I learned during using NPOI via winim, or more specified, via clr to interact with Windows .NET frameworks.
You can visit it over here
I am not a professional programmer. And now I focus on read data from XLS/XLSX, then process. If you find something is wrong or some case code is missing, please pull requests. Thanks.
BTW, hello, 2022. I wish it is a good year for you, me and nim.