BackgroundDownloader.GetCurrentDownloadsAsync 方法
定义
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
重载
| GetCurrentDownloadsAsync(String) |
注意 getCurrentDownloadsAsync (组) 在Windows 8.1后可能会更改或不可用。 请改用 GetCurrentDownloadsForTransferGroupAsync。 返回特定 组的挂起下载的集合。 |
| GetCurrentDownloadsAsync() |
返回未与 BackgroundTransferGroup 关联的挂起下载的集合。 |
GetCurrentDownloadsAsync(String)
注意
getCurrentDownloadsAsync (组) 在Windows 8.1后可能会更改或不可用。 请改用 GetCurrentDownloadsForTransferGroupAsync。
返回特定 组的挂起下载的集合。
public:
static IAsyncOperation<IVectorView<DownloadOperation ^> ^> ^ GetCurrentDownloadsAsync(Platform::String ^ group);/// [Windows.Foundation.Metadata.Deprecated("GetCurrentDownloadsAsync(group) may be altered or unavailable for releases after Windows 8.1. Instead, use GetCurrentDownloadsForTransferGroupAsync.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 65536, Windows.Foundation.UniversalApiContract)]
/// [Windows.Foundation.Metadata.Overload("GetCurrentDownloadsForGroupAsync")]
/// [Windows.Foundation.Metadata.RemoteAsync]
static IAsyncOperation<IVectorView<DownloadOperation>> GetCurrentDownloadsAsync(winrt::hstring const& group);/// [Windows.Foundation.Metadata.Overload("GetCurrentDownloadsForGroupAsync")]
/// [Windows.Foundation.Metadata.RemoteAsync]
/// [Windows.Foundation.Metadata.Deprecated("GetCurrentDownloadsAsync(group) may be altered or unavailable for releases after Windows 8.1. Instead, use GetCurrentDownloadsForTransferGroupAsync.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 65536, "Windows.Foundation.UniversalApiContract")]
static IAsyncOperation<IVectorView<DownloadOperation>> GetCurrentDownloadsAsync(winrt::hstring const& group);[Windows.Foundation.Metadata.Deprecated("GetCurrentDownloadsAsync(group) may be altered or unavailable for releases after Windows 8.1. Instead, use GetCurrentDownloadsForTransferGroupAsync.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 65536, typeof(Windows.Foundation.UniversalApiContract))]
[Windows.Foundation.Metadata.Overload("GetCurrentDownloadsForGroupAsync")]
[Windows.Foundation.Metadata.RemoteAsync]
public static IAsyncOperation<IReadOnlyList<DownloadOperation>> GetCurrentDownloadsAsync(string group);[Windows.Foundation.Metadata.Overload("GetCurrentDownloadsForGroupAsync")]
[Windows.Foundation.Metadata.RemoteAsync]
[Windows.Foundation.Metadata.Deprecated("GetCurrentDownloadsAsync(group) may be altered or unavailable for releases after Windows 8.1. Instead, use GetCurrentDownloadsForTransferGroupAsync.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 65536, "Windows.Foundation.UniversalApiContract")]
public static IAsyncOperation<IReadOnlyList<DownloadOperation>> GetCurrentDownloadsAsync(string group);function getCurrentDownloadsAsync(group)Public Shared Function GetCurrentDownloadsAsync (group As String) As IAsyncOperation(Of IReadOnlyList(Of DownloadOperation))参数
- group
-
String
Platform::String
winrt::hstring
指示特定传输组的字符串。
返回
特定组的挂起下载的集合。
- 属性
注解
Windows Phone时，如果未在应用清单中声明 Internet 功能，此方法将返回错误代码 HRESULT：0x80040154 (REGDB_E_CLASSNOTREG) 。 在 Windows 上，如果应用清单中未声明 Internet 功能，此方法将返回错误代码 HRESULT： 0x80070005 (E_ACCESSDENIED) 。 默认情况下，在所有应用商店应用项目模板中都启用此功能。
另请参阅
适用于
GetCurrentDownloadsAsync()
返回未与 BackgroundTransferGroup 关联的挂起下载的集合。
public:
static IAsyncOperation<IVectorView<DownloadOperation ^> ^> ^ GetCurrentDownloadsAsync();/// [Windows.Foundation.Metadata.Overload("GetCurrentDownloadsAsync")]
/// [Windows.Foundation.Metadata.RemoteAsync]
static IAsyncOperation<IVectorView<DownloadOperation>> GetCurrentDownloadsAsync();[Windows.Foundation.Metadata.Overload("GetCurrentDownloadsAsync")]
[Windows.Foundation.Metadata.RemoteAsync]
public static IAsyncOperation<IReadOnlyList<DownloadOperation>> GetCurrentDownloadsAsync();function getCurrentDownloadsAsync()Public Shared Function GetCurrentDownloadsAsync () As IAsyncOperation(Of IReadOnlyList(Of DownloadOperation))返回
当前应用程序实例的挂起下载的集合。
- 属性
注解
Windows Phone时，如果未在应用清单中声明 Internet 功能，此方法将返回错误代码 HRESULT：0x80040154 (REGDB_E_CLASSNOTREG) 。 在 Windows 上，如果应用清单中未声明 Internet 功能，此方法将返回错误代码 HRESULT： 0x80070005 (E_ACCESSDENIED) 。 默认情况下，在所有应用商店应用项目模板中都启用此功能。