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# D3D12CommandQueue::GetCompletedValue
```cpp
uint64_t GetCompletedValue() override;
```
获取命令队列关联的栅栏的当前完成值。
**返回:** 栅栏的已完成值
**复杂度:** O(1)
**注意:** 当前实现始终返回 0表示此方法为未完成功能。使用前请确认功能状态。
## 相关文档
- [D3D12CommandQueue 总览](command-queue.md) - 返回类总览
- [Signal](signal.md) - 向栅栏发送信号
- [D3D12Fence](../fence/fence.md)