PhoneLineTransportDevice.RequestAccessAsync 方法

定义

命名空间:

Windows.ApplicationModel.Calls

用于请求对 PhoneLineTransportDevice 的显式访问。

public:
 virtual IAsyncOperation<DeviceAccessStatus> ^ RequestAccessAsync() = RequestAccessAsync;

/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<DeviceAccessStatus> RequestAccessAsync();

[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<DeviceAccessStatus> RequestAccessAsync();

function requestAccessAsync()

Public Function RequestAccessAsync () As IAsyncOperation(Of DeviceAccessStatus)

返回

IAsyncOperation<DeviceAccessStatus>

异步操作完成后， 返回 DeviceAccessStatus 枚举值。

属性

RemoteAsyncAttribute

Windows 要求

应用功能	phoneLineTransportManagement