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FileInformation.CopyAsync 方法

  • 参考

定义

命名空间:
Windows.Storage.BulkAccess

重载

CopyAsync(IStorageFolder)

创建 StorageFile 的副本，并将其存储在指定的 StorageFolder 中。
CopyAsync(IStorageFolder, String)

创建 StorageFile 的副本，为其指定文件名，并将其存储在指定的 StorageFolder 中。
CopyAsync(IStorageFolder, String, NameCollisionOption)

创建 StorageFile 的副本，为其指定文件名，并将其存储在指定的 StorageFolder 中。 方法还指定在指定文件夹中已存在同名文件时要执行的操作。

CopyAsync(IStorageFolder)

编辑

创建 StorageFile 的副本，并将其存储在指定的 StorageFolder 中。

public:
 virtual IAsyncOperation<StorageFile ^> ^ CopyAsync(IStorageFolder ^ destinationFolder) = CopyAsync;
/// [Windows.Foundation.Metadata.Overload("CopyOverloadDefaultNameAndOptions")]
/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<StorageFile> CopyAsync(IStorageFolder const& destinationFolder);
[Windows.Foundation.Metadata.Overload("CopyOverloadDefaultNameAndOptions")]
[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<StorageFile> CopyAsync(IStorageFolder destinationFolder);
function copyAsync(destinationFolder)
Public Function CopyAsync (destinationFolder As IStorageFolder) As IAsyncOperation(Of StorageFile)

参数

destinationFolder
IStorageFolder

要在其中存储复制的文件的文件夹。

返回

IAsyncOperation<StorageFile>

此方法成功完成后，它将副本作为 StorageFile 对象返回。

实现

CopyAsync(IStorageFolder)
属性
OverloadAttribute RemoteAsyncAttribute

另请参阅

适用于

CopyAsync(IStorageFolder, String)

编辑

创建 StorageFile 的副本，为其指定文件名，并将其存储在指定的 StorageFolder 中。

public:
 virtual IAsyncOperation<StorageFile ^> ^ CopyAsync(IStorageFolder ^ destinationFolder, Platform::String ^ desiredNewName) = CopyAsync;
/// [Windows.Foundation.Metadata.Overload("CopyOverloadDefaultOptions")]
/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<StorageFile> CopyAsync(IStorageFolder const& destinationFolder, winrt::hstring const& desiredNewName);
[Windows.Foundation.Metadata.Overload("CopyOverloadDefaultOptions")]
[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<StorageFile> CopyAsync(IStorageFolder destinationFolder, string desiredNewName);
function copyAsync(destinationFolder, desiredNewName)
Public Function CopyAsync (destinationFolder As IStorageFolder, desiredNewName As String) As IAsyncOperation(Of StorageFile)

参数

destinationFolder
IStorageFolder

要在其中存储复制的文件的文件夹。

desiredNewName
String

Platform::String

winrt::hstring

新副本的名称。

返回

IAsyncOperation<StorageFile>

此方法成功完成后，它将副本作为 StorageFile 对象返回。

实现

M:Windows.Storage.IStorageFile.CopyAsync(Windows.Storage.IStorageFolder,System.String) M:Windows.Storage.IStorageFile.CopyAsync(Windows.Storage.IStorageFolder,Platform::String) M:Windows.Storage.IStorageFile.CopyAsync(Windows.Storage.IStorageFolder,winrt::hstring)
属性
OverloadAttribute RemoteAsyncAttribute

另请参阅

适用于

CopyAsync(IStorageFolder, String, NameCollisionOption)

编辑

创建 StorageFile 的副本，为其指定文件名，并将其存储在指定的 StorageFolder 中。 方法还指定在指定文件夹中已存在同名文件时要执行的操作。

public:
 virtual IAsyncOperation<StorageFile ^> ^ CopyAsync(IStorageFolder ^ destinationFolder, Platform::String ^ desiredNewName, NameCollisionOption option) = CopyAsync;
/// [Windows.Foundation.Metadata.Overload("CopyOverload")]
/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<StorageFile> CopyAsync(IStorageFolder const& destinationFolder, winrt::hstring const& desiredNewName, NameCollisionOption const& option);
[Windows.Foundation.Metadata.Overload("CopyOverload")]
[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<StorageFile> CopyAsync(IStorageFolder destinationFolder, string desiredNewName, NameCollisionOption option);
function copyAsync(destinationFolder, desiredNewName, option)
Public Function CopyAsync (destinationFolder As IStorageFolder, desiredNewName As String, option As NameCollisionOption) As IAsyncOperation(Of StorageFile)

参数

destinationFolder
IStorageFolder

要在其中存储复制的文件的文件夹。

desiredNewName
String

Platform::String

winrt::hstring

新副本的名称。

option
NameCollisionOption

一个 值，该值指示当文件名已存在于目标文件夹中时要执行的操作。

返回

IAsyncOperation<StorageFile>

此方法成功完成后，它将副本作为 StorageFile 对象返回。

实现

M:Windows.Storage.IStorageFile.CopyAsync(Windows.Storage.IStorageFolder,System.String,Windows.Storage.NameCollisionOption) M:Windows.Storage.IStorageFile.CopyAsync(Windows.Storage.IStorageFolder,Platform::String,Windows.Storage.NameCollisionOption) M:Windows.Storage.IStorageFile.CopyAsync(Windows.Storage.IStorageFolder,winrt::hstring,Windows.Storage.NameCollisionOption)
属性
OverloadAttribute RemoteAsyncAttribute

另请参阅

适用于