System.CodeDom.Compiler.CodeDomProvider.GetLanguageFromExtension C# (CSharp) Method

        public static string GetLanguageFromExtension(string extension)
        {
            CompilerInfo compilerInfo = GetCompilerInfoForExtensionNoThrow(extension);
            if (compilerInfo == null)
            {
                throw new ConfigurationErrorsException(SR.CodeDomProvider_NotDefined);
            }
            return compilerInfo._compilerLanguages[0];
        }