> ## Documentation Index
> Fetch the complete documentation index at: https://docs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# GetUpdateLatencyInMicroseconds

> ILampInfo::GetUpdateLatencyInMicroseconds

# ILampInfo::GetUpdateLatencyInMicroseconds

返回从 LampArray 收到某个 Lamp 的更新到该更新从设备上发出的时间间隔。

## 语法

```cpp theme={null}
uint64_t GetUpdateLatencyInMicroseconds(
)
```

### 参数

此方法没有参数。

### 返回值

类型：uint64\_t

从 LampArray 收到某个 Lamp 的更新到该更新从设备上发出的时间间隔，以微秒为单位。

## 要求

**头文件：** LampArray.h

**库：** xgameplatform.lib

**支持的平台：** XBOX One 系列主机和 XBOX Series 主机

## 另请参阅

[光照 API 概览](https://docs.xbox.com/zh-CN/build/core-features/common/lighting/gc-lighting-toc.md)\
[ILampInfo](https://docs.xbox.com/zh-CN/reference/lighting/lamparray/interfaces/ilampinfo/ilampinfo.md)


## Related topics

- [ILampInfo（接口内容）](https://docs.xbox.com/zh-CN/reference/lighting/lamparray/interfaces/ilampinfo/ilampinfo.md)
- [GetMinUpdateIntervalInMicroseconds](https://docs.xbox.com/zh-CN/reference/lighting/lamparray/interfaces/ilamparray/methods/ilamparray_getminupdateintervalinmicroseconds.md)
- [XGameStreamingGetStreamAddedLatency](https://docs.xbox.com/zh-CN/reference/system/xgamestreaming/functions/xgamestreaminggetstreamaddedlatency.md)
- [游戏串流延迟补偿深入探讨](https://docs.xbox.com/zh-CN/build/core-features/common/game-streaming/game-streaming-latency-compensation-deep-dive.md)
- [IGameInputDevice::AcquireExclusiveRawDeviceAccess（已弃用）](https://docs.xbox.com/zh-CN/reference/input/gameinput/deprecated/interfaces/igameinputdevice/methods/igameinputdevice_acquireexclusiverawdeviceaccess.md)