private unsafe void button2_Click(object sender, EventArgs e)
{
    string text = this.textBox1.Text;
    basic_string<char,std::char_traits<char>,std::allocator<char>\u0020> basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>;
    <Module>.msclr.interop.marshal_as<class\u0020std::basic_string<char,struct\u0020std::char_traits<char>,class\u0020std::allocator<char>\u0020>,class\u0020System::String\u0020^>(&basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>, ref text);
    try
    {
        string text2 = this.textBox2.Text;
        basic_string<char,std::char_traits<char>,std::allocator<char>\u0020> basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>2;
        <Module>.msclr.interop.marshal_as<class\u0020std::basic_string<char,struct\u0020std::char_traits<char>,class\u0020std::allocator<char>\u0020>,class\u0020System::String\u0020^>(&basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>2, ref text2);
        try
        {
            sbyte b = 64;
            if (<Module>.std.basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>.find(ref basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>, (sbyte*)(&b), 0u, 1u) != -1)
            {
                sbyte b2 = 46;
                if (<Module>.std.basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>.find(ref basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>, (sbyte*)(&b2), 0u, 1u) != -1)
                {
                    basic_string<char,std::char_traits<char>,std::allocator<char>\u0020> basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>3;
                    basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>* email = <Module>.std.basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>.{ctor}(ref basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>3, ref basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>);
                    basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>* md;
                    try
                    {
                        basic_string<char,std::char_traits<char>,std::allocator<char>\u0020> basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>4;
                        md = <Module>.std.basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>.{ctor}(ref basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>4, ref basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>2);
                    }
                    catch
                    {
                        <Module>.___CxxCallUnwindDtor(ldftn(std.basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>.{dtor}), (void*)(&basic_string<char,std::char_traits<char>,std::allocator<char>\u0020>3));
                        throw;
                    }
                    if (<Module>.Check(md, email) != null)
                    {
                        this.textBox1.Text = "Success!!!";
                        this.textBox2.Text = "";
                    }
                    else
                    {
                        this.textBox1.Text = "Wrong!!!";
                    }
                }
            }
        }