void encode (string data,string Skey,string &CipherText)
    {
        byte key[16];
        byte iv[16];
        string theData,cipher;
        theData = data;
        string theKey(Skey);
        int i(0);
        theKey.append("t;rke;tlrke65409654ytr");
        while(i != 16)
        {
            key[i] = theKey[i];
            iv[i] = theKey[i];
            i++;
        }
        // Cipher Text Sink
        //string *CipherText = new string;

        // Encryptor
        CryptoPP::ECB_Mode< CryptoPP::AES >::Encryption
        //Encryptor( key, sizeof(key), iv );
        Encryptor( key, sizeof(key));

      // Encryption
      CryptoPP::StringSource( theData, true,
        new CryptoPP::StreamTransformationFilter( Encryptor,
          new CryptoPP::StringSink( cipher )
        ) // StreamTransformationFilter
      ); // StringSource
      CipherText = cipher;
    }

    void decode (string CT,string Skey,string &RText)
    {
        byte key[16];
        byte iv[16];
        string theKey(Skey);
        string cipher,text;
        cipher = CT;

        int i(0);
        theKey.append("t;rke;tlrke65409654ytr");
        while(i != 16)
        {
            key[i] = theKey[i];
            iv[i] = theKey[i];
            i++;
        }
        // Decryptor
        CryptoPP::ECB_Mode< CryptoPP::AES >::Decryption
        // Decryptor( key, sizeof(key), iv );
        Decryptor( key, sizeof(key) );

      // Decryption
      CryptoPP::StringSource( cipher, true,
        new CryptoPP::StreamTransformationFilter( Decryptor,
          new CryptoPP::StringSink( text )
        ) // StreamTransformationFilter
      ); // StringSource
    }

Error after error
F:\C++ Code\cryptGUI\cryptGUI\Release>cryptGUI.exe

Unhandled Exception: System.AccessViolationException: Attempted to read or write
 protected memory. This is often an indication that other memory is corrupt.
   at encode(basic_string<char\,std::char_traits<char>\,std::allocator<char> >*
, basic_string<char\,std::char_traits<char>\,std::allocator<char> >* , basic_str
ing<char\,std::char_traits<char>\,std::allocator<char> >* )
   at aesEncrypt(basic_string<char\,std::char_traits<char>\,std::allocator<char>
 >* , basic_string<char\,std::char_traits<char>\,std::allocator<char> >* data, b
asic_string<char\,std::char_traits<char>\,std::allocator<char> >* key) in f:\c++
 code\cryptgui\cryptgui\cryptgui\drivercode.cpp:line 141
   at GUI.mainGUI.encode_Click(Object sender, EventArgs e) in f:\c++ code\cryptg
ui\cryptgui\cryptgui\maingui.h:line 299
   at System.Windows.Forms.Control.OnClick(EventArgs e)
   at System.Windows.Forms.Button.OnClick(EventArgs e)
   at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, In
t32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ButtonBase.WndProc(Message& m)
   at System.Windows.Forms.Button.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr
wparam, IntPtr lparam)
   at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.Uns
afeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int
32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 r
eason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason
, ApplicationContext context)
   at System.Windows.Forms.Application.RunDialog(Form form)
   at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)
   at System.Windows.Forms.Form.ShowDialog()
   at main() in f:\c++ code\cryptgui\cryptgui\cryptgui\maingui.cpp:line 13
   at _mainCRTStartup()

F:\C++ Code\cryptGUI\cryptGUI\Release>