C++；如何使用const将接口传递给类方法 < VisualStudio 2008中的原生C++ >如何使用const传递接口给类成员？执行以下操作导致此错误：

错误C2662:'IMyInterface:：PublicMember1'无法将'this'指针从'const IMyInterface'转换为'IMyInterface&'

class IMyInterface
{
  virtual std::wstring PublicMember1() = 0;
  virtual int PublicMember2() = 0;
  virtual void Update(const IMyInterface & myObject) = 0;
}

class MyClass : public IMyInterface
{
   private:
      std::wstring privateMember1;
      int privateMember2;
   public:
      virtual std::wstring PublicMember1() { return privateMember1; }
      virtual int PublicMember2() { return privateMember2; }
      virtual void Update(const IMyInterface & myObject);
}

void MyClass::Update(const IMyInterface& myObject)
{
     privateMember1 = myObject.PublicMember1();
     privateMember2 = myObject.PublicMember2();
}

---

将接口所需的方法声明为

const

class IMyInterface
{
  virtual std::wstring PublicMember1() const = 0;
  virtual int PublicMember2() const = 0;
  virtual void Update(const IMyInterface & myObject) = 0;
}

---

谢谢，这是一个超级快速的回答，比我编辑我在原始帖子中犯的错误要快得多