# OpenGLVertexArray::GetIndexCount

```cpp
unsigned int GetIndexCount() const
```

获取索引数量。

**返回：** `unsigned int` - 索引数量

**示例：**

```cpp
unsigned int count = vao.GetIndexCount();
glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_INT, 0);
```

## 相关文档

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