System.Text.Encoding.CreateDefaultEncoding C# (CSharp) Method

        private static Encoding CreateDefaultEncoding()
        {
            Encoding enc;
            int codePage = Win32Native.GetACP();

            // For US English, we can save some startup working set by not calling
            // GetEncoding(int codePage) since JITting GetEncoding will force us to load
            // all the Encoding classes for ASCII, UTF7 & UTF8, & UnicodeEncoding.
            if (codePage == 1252)
                enc = new SBCSCodePageEncoding(codePage);
            else
                enc = GetEncoding(codePage);

            return (enc);
        }