PerceptionControlSession.TrySetPropertyAsync(String, Object) 方法

定义

命名空间:

Windows.Devices.Perception

创建属性更改请求。 此请求是异步处理的，不保证成功。 应检查属性更改结果，以确定属性更改是否实际被接受，如果未接受，则确定未接受属性更改的原因。

public:
 virtual IAsyncOperation<PerceptionFrameSourcePropertyChangeResult ^> ^ TrySetPropertyAsync(Platform::String ^ name, Platform::Object ^ value) = TrySetPropertyAsync;

/// [Windows.Foundation.Metadata.RemoteAsync]
/// [Windows.Foundation.Metadata.Deprecated("PerceptionControlSession may be unavailable after Windows Creator Update.  Please refer to Windows.Media.Capture.Frames APIs on MSDN.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 262144, "Windows.Foundation.UniversalApiContract")]
IAsyncOperation<PerceptionFrameSourcePropertyChangeResult> TrySetPropertyAsync(winrt::hstring const& name, IInspectable const& value);

[Windows.Foundation.Metadata.RemoteAsync]
[Windows.Foundation.Metadata.Deprecated("PerceptionControlSession may be unavailable after Windows Creator Update.  Please refer to Windows.Media.Capture.Frames APIs on MSDN.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 262144, "Windows.Foundation.UniversalApiContract")]
public IAsyncOperation<PerceptionFrameSourcePropertyChangeResult> TrySetPropertyAsync(string name, object value);

function trySetPropertyAsync(name, value)

Public Function TrySetPropertyAsync (name As String, value As Object) As IAsyncOperation(Of PerceptionFrameSourcePropertyChangeResult)

参数

name

String

Platform::String

winrt::hstring

要更改的属性的名称。

value

Object

Platform::Object

IInspectable

新的属性值。

返回

IAsyncOperation<PerceptionFrameSourcePropertyChangeResult>

此方法异步返回属性更改请求的结果。

属性

RemoteAsyncAttribute DeprecatedAttribute