using System.Collections.Generic;
public static void Main()
FileInfo ffi = new FileInfo(f);
string f_mime = ffi.MimeType();
Console.WriteLine(f + "=>" + f_mime );
string f1 = "hallo.wasm";
FileInfo f1fi = new FileInfo(f1);
string f1_mime = f1fi.MimeType();
Console.WriteLine(f1 + "=>" + f1_mime);
FileInfo f2fi = new FileInfo(f2);
string f2_mime = f2fi.MimeType();
Console.WriteLine(f2 + "=>" + f2_mime);
var f3fi = new FileInfo(f3);
var f3_mime = f3fi.MimeType();
Console.WriteLine(f3 + "=>" + f3_mime);
f3_mime = f3fi.MimeTypeOrDefault();
Console.WriteLine(f3 + "=>" + f3_mime);
Uri ur = new Uri("https://localhost/guido.png");
string ur_mime = ur.MimeType();
Console.WriteLine(ur.ToString() + "=>" + ur_mime);