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# ILampInfo::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](/build/core-features/common/lighting/gc-lighting-toc)\
[ILampInfo](/reference/lighting/lamparray/interfaces/ilampinfo/ilampinfo)


## Related topics

- [ILampInfo](/zh-CN/reference/lighting/lamparray/interfaces/ilampinfo/ilampinfo.md)
- [ILampArray::GetMinUpdateIntervalInMicroseconds](/zh-CN/reference/lighting/lamparray/interfaces/ilamparray/methods/ilamparray_getminupdateintervalinmicroseconds.md)
- [ILampInfo::GetIndex](/zh-CN/reference/lighting/lamparray/interfaces/ilampinfo/methods/ilampinfo_getindex.md)
- [ILampInfo::GetPosition](/zh-CN/reference/lighting/lamparray/interfaces/ilampinfo/methods/ilampinfo_getposition.md)
- [ILampInfo::GetPurposes](/zh-CN/reference/lighting/lamparray/interfaces/ilampinfo/methods/ilampinfo_getpurposes.md)