Convert C# EXE to Assembly

snippet.cs

[DllImport("shell32.dll", SetLastError = true)]
static extern IntPtr CommandLineToArgvW([MarshalAs(UnmanagedType.LPWStr)] string lpCmdLine, out int pNumArgs);
 
public static string[] CommandLineToArgs(string commandLine)
{
    int argc;
    var argv = CommandLineToArgvW(commandLine, out argc);
    if (argv == IntPtr.Zero)
        throw new System.ComponentModel.Win32Exception();
    try
    {
        var args = new string[argc];
        for (var i = 0; i < args.Length; i++)
        {
            var p = Marshal.ReadIntPtr(argv, i * IntPtr.Size);
            args[i] = Marshal.PtrToStringUni(p);
        }
 
        return args;
    }
    finally
    {
        Marshal.FreeHGlobal(argv);
    }
}
public static string Execute(string commandLine)
{
    var sw = new StringWriter();
    Console.SetOut(sw);
    Console.SetError(sw);
    Main(CommandLineToArgs(commandLine));
    return sw.ToString();
}