ZW3DC++调用C#的DLL

C#：

using System;
using System.Collections.Generic;
using System.Text;

namespace TestWinform
{
public class Class1
{

public void openForm()
{
Form1 form = new Form1();
form.ShowDialog();
}

}

}

C++：

#using "C:\\TestWinform.dll"

using namespace TestWinform;

void callCSharpDll() {

Class1^ c = gcnew Class1();
c->openForm();
}