XCEngine/docs/api/threading/task-group/wait.md

# TaskGroup::Wait

```cpp
void Wait();
```

阻塞当前线程，直到任务组中的所有任务完成执行。

**参数：** 无

**返回：** 无

**线程安全：** ✅ 线程安全

**示例：**

```cpp
#include "XCEngine/Threading/TaskGroup.h"
#include "XCEngine/Threading/Task.h"
#include <iostream>
#include <chrono>

using namespace XCEngine::Threading;

int main() {
    TaskGroup group;

    for (int i = 0; i < 5; ++i) {
        group.AddTask([i]() {
            std::cout << "Task " << i << " started\n";
            std::this_thread::sleep_for(std::chrono::milliseconds(100));
            std::cout << "Task " << i << " finished\n";
        });
    }

    std::cout << "Waiting for all tasks...\n";
    group.Wait();
    std::cout << "All tasks completed!\n";

    return 0;
}
```

## 相关文档

- [TaskGroup 总览](task-group.md) - 返回类总览
- [WaitFor](wait-for.md) - 带超时的等待