I believe that this code may be a way to open a base64 encoded PDF file into another browser tab or window. However, when I try on my Windows PC using Edge browser, a new tab appears that is blank, and the PC CPU starts running more until I close the browser. The PDF document does not appear.

WebAssembly Program.cs configuration File：

I have many dropdown items. Shown a sample below. I am rewriting to make it easier to maintain.