ActivitySensor.GetSystemHistoryAsync 方法

参考

定义

命名空间:: Windows.Devices.Sensors

重要

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重载

GetSystemHistoryAsync(DateTime)	异步获取特定时间的传感器读数。
GetSystemHistoryAsync(DateTime, TimeSpan)	异步获取特定时间和持续时间的传感器读数。

GetSystemHistoryAsync(DateTime)

编辑

异步获取特定时间的传感器读数。

public:
 static IAsyncOperation<IVectorView<ActivitySensorReading ^> ^> ^ GetSystemHistoryAsync(DateTime fromTime);

/// [Windows.Foundation.Metadata.Overload("GetSystemHistoryAsync")]
/// [Windows.Foundation.Metadata.RemoteAsync]
 static IAsyncOperation<IVectorView<ActivitySensorReading>> GetSystemHistoryAsync(DateTime const& fromTime);

[Windows.Foundation.Metadata.Overload("GetSystemHistoryAsync")]
[Windows.Foundation.Metadata.RemoteAsync]
public static IAsyncOperation<IReadOnlyList<ActivitySensorReading>> GetSystemHistoryAsync(System.DateTimeOffset fromTime);

function getSystemHistoryAsync(fromTime)

Public Shared Function GetSystemHistoryAsync (fromTime As DateTimeOffset) As IAsyncOperation(Of IReadOnlyList(Of ActivitySensorReading))

参数

fromTime: DateTime DateTimeOffset

获取传感器读数的时间。

IAsyncOperation<IVectorView<ActivitySensorReading>>

IAsyncOperation<IReadOnlyList<ActivitySensorReading>>

异步返回 ActivitySensorReading 对象的列表，这些对象表示有关传感器的信息。

属性: OverloadAttribute RemoteAsyncAttribute

另请参阅

GetSystemHistoryAsync(DateTime, TimeSpan)

适用于

GetSystemHistoryAsync(DateTime, TimeSpan)

编辑

异步获取特定时间和持续时间的传感器读数。

public:
 static IAsyncOperation<IVectorView<ActivitySensorReading ^> ^> ^ GetSystemHistoryAsync(DateTime fromTime, TimeSpan duration);

/// [Windows.Foundation.Metadata.Overload("GetSystemHistoryWithDurationAsync")]
/// [Windows.Foundation.Metadata.RemoteAsync]
 static IAsyncOperation<IVectorView<ActivitySensorReading>> GetSystemHistoryAsync(DateTime const& fromTime, TimeSpan const& duration);

[Windows.Foundation.Metadata.Overload("GetSystemHistoryWithDurationAsync")]
[Windows.Foundation.Metadata.RemoteAsync]
public static IAsyncOperation<IReadOnlyList<ActivitySensorReading>> GetSystemHistoryAsync(System.DateTimeOffset fromTime, System.TimeSpan duration);

function getSystemHistoryAsync(fromTime, duration)

Public Shared Function GetSystemHistoryAsync (fromTime As DateTimeOffset, duration As TimeSpan) As IAsyncOperation(Of IReadOnlyList(Of ActivitySensorReading))