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XCSDD/docs/api/rhi/opengl/vertex-array/get-index-buffer.md
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# OpenGLVertexArray::GetIndexBuffer
```cpp
unsigned int GetIndexBuffer() const
```
获取索引缓冲区 ID。
**返回:** `unsigned int` - 索引缓冲区 ID
**示例:**
```cpp
unsigned int ibo = vao.GetIndexBuffer();
```
## 相关文档
- [OpenGLVertexArray](vertex-array.md) - 返回类总览