KnownFolders.RequestAccessForUserAsync(User, KnownFolderId) 方法

定义

命名空间:

Windows.Storage

请求用户和 folderId 的访问权限。

public:
 static IAsyncOperation<KnownFoldersAccessStatus> ^ RequestAccessForUserAsync(User ^ user, KnownFolderId folderId);

/// [Windows.Foundation.Metadata.RemoteAsync]
 static IAsyncOperation<KnownFoldersAccessStatus> RequestAccessForUserAsync(User const& user, KnownFolderId const& folderId);

[Windows.Foundation.Metadata.RemoteAsync]
public static IAsyncOperation<KnownFoldersAccessStatus> RequestAccessForUserAsync(User user, KnownFolderId folderId);

function requestAccessForUserAsync(user, folderId)

Public Shared Function RequestAccessForUserAsync (user As User, folderId As KnownFolderId) As IAsyncOperation(Of KnownFoldersAccessStatus)

参数

user

User

用户属性。

folderId

KnownFolderId

要返回的文件夹的 ID。

返回

IAsyncOperation<KnownFoldersAccessStatus>

返回 KnownFolderAccessStatus 枚举。

属性

RemoteAsyncAttribute

Windows 要求

设备系列	Windows 10, version 2004 (在 10.0.19041.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v10.0 中引入)

注解

此方法是多用户感知 (MUA) 。

提供空用户将导致无效参数异常，因为 MUA 应用应始终提供有效的非 null 用户。

另请参阅

• RequestAccessAsync(KnownFolderId)