# OpenGLVertexArray::GetID

```cpp
unsigned int GetID() const
```

获取 OpenGL 顶点数组对象 ID。

**返回：** `unsigned int` - VAO ID

**示例：**

```cpp
unsigned int vaoID = vao.GetID();
glBindVertexArray(vaoID);
```

## 相关文档

- [OpenGLVertexArray](vertex-array.md) - 返回类总览