using UnityEngine; using System.Runtime.InteropServices; public class MyPlugin : MonoBehaviour { // 声明C++函数 [DllImport("ThreadTool")] private static extern int Add(int a, int b); [DllImport("ThreadTool")] private static extern void CallCSharpFunction(Callback callback); // 定义回调委托 public delegate int Callback(int value); // C#回调函数 private int MyCallback(int value) { Debug.Log("C# received value from C++: " + value); return value * 2; } void Start() { // 调用C++函数 int result = Add(5, 3); Debug.Log("Result from C++: " + result); // 输出: Result from C++: 8 // 注册C#回调函数并调用C++函数 CallCSharpFunction(MyCallback); } }