如何从可执行文件中调用动态链接库的虚函数？C++ VS2019

// MyLibrary.h
#pragma once

#ifdef MYLIBRARY_EXPORTS
#define MYLIBRARY_API __declspec(dllexport)
#else
#define MYLIBRARY_API __declspec(dllimport)
#endif

class MYLIBRARY_API Base {
public:
    virtual void VirtualFunction() = 0;
};

class Derived : public Base {
public:
    void VirtualFunction() override {
        // 实现虚函数
        std::cout << "Derived::VirtualFunction called!" << std::endl;
    }
};

// MyLibrary.cpp
#include "MyLibrary.h"

// MyApp.cpp
#include <windows.h>
#include <iostream>
#include "MyLibrary.h"

typedef Base* (*CreateDerivedFunc)();

int main() {
    HMODULE hModule = LoadLibrary(L"MyLibrary.dll");
    if (!hModule) {
        std::cerr << "Failed to load DLL" << std::endl;
        return 1;
    }

    CreateDerivedFunc CreateDerived = (CreateDerivedFunc)GetProcAddress(hModule, "?CreateDerived@@YA?AVBase@@XZ");
    if (!CreateDerived) {
        std::cerr << "Failed to get function address" << std::endl;
        FreeLibrary(hModule);
        return 1;
    }

    Base* derived = CreateDerived();
    if (derived) {
        derived->VirtualFunction(); // 调用虚函数
        delete derived;
    }

    FreeLibrary(hModule);
    return 0;
}

extern "C" MYLIBRARY_API Base* CreateDerived();

#include "MyLibrary.h"

extern "C" MYLIBRARY_API Base* CreateDerived() {
    return new Derived();
}