共用方式為

FolderInformation.GetThumbnailAsync 方法

  • 參考

定義

命名空間:
Windows.Storage.BulkAccess

多載

GetThumbnailAsync(ThumbnailMode)

擷取與 StorageFolder相關聯的縮圖。
GetThumbnailAsync(ThumbnailMode, UInt32)

擷取與 StorageFolder相關聯的縮圖，並將其調整為指定的大小。
GetThumbnailAsync(ThumbnailMode, UInt32, ThumbnailOptions)

根據指定的選項，擷取與 StorageFolder相關聯的縮圖。

GetThumbnailAsync(ThumbnailMode)

編輯

擷取與 StorageFolder相關聯的縮圖。

public:
 virtual IAsyncOperation<StorageItemThumbnail ^> ^ GetThumbnailAsync(ThumbnailMode mode) = GetThumbnailAsync;
/// [Windows.Foundation.Metadata.Overload("GetThumbnailAsyncOverloadDefaultSizeDefaultOptions")]
/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<StorageItemThumbnail> GetThumbnailAsync(ThumbnailMode const& mode);
[Windows.Foundation.Metadata.Overload("GetThumbnailAsyncOverloadDefaultSizeDefaultOptions")]
[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<StorageItemThumbnail> GetThumbnailAsync(ThumbnailMode mode);
function getThumbnailAsync(mode)
Public Function GetThumbnailAsync (mode As ThumbnailMode) As IAsyncOperation(Of StorageItemThumbnail)

參數

mode
ThumbnailMode

要擷取的縮圖模式。

傳回

IAsyncOperation<StorageItemThumbnail>

當此方法成功完成時，它會以 StorageItemThumbnail 物件的形式傳回縮圖影像。

實作

GetThumbnailAsync(ThumbnailMode)
屬性
OverloadAttribute RemoteAsyncAttribute

另請參閱

適用於

GetThumbnailAsync(ThumbnailMode, UInt32)

編輯

擷取與 StorageFolder相關聯的縮圖，並將其調整為指定的大小。

public:
 virtual IAsyncOperation<StorageItemThumbnail ^> ^ GetThumbnailAsync(ThumbnailMode mode, unsigned int requestedSize) = GetThumbnailAsync;
/// [Windows.Foundation.Metadata.Overload("GetThumbnailAsyncOverloadDefaultOptions")]
/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<StorageItemThumbnail> GetThumbnailAsync(ThumbnailMode const& mode, uint32_t const& requestedSize);
[Windows.Foundation.Metadata.Overload("GetThumbnailAsyncOverloadDefaultOptions")]
[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<StorageItemThumbnail> GetThumbnailAsync(ThumbnailMode mode, uint requestedSize);
function getThumbnailAsync(mode, requestedSize)
Public Function GetThumbnailAsync (mode As ThumbnailMode, requestedSize As UInteger) As IAsyncOperation(Of StorageItemThumbnail)

參數

mode
ThumbnailMode

要擷取的縮圖模式。

requestedSize
UInt32

unsigned int

uint32_t

要擷取之縮圖圖元的要求大小。

傳回

IAsyncOperation<StorageItemThumbnail>

當此方法成功完成時，它會以 StorageItemThumbnail 物件的形式傳回縮圖影像。

實作

M:Windows.Storage.IStorageItemProperties.GetThumbnailAsync(Windows.Storage.FileProperties.ThumbnailMode,System.UInt32) M:Windows.Storage.IStorageItemProperties.GetThumbnailAsync(Windows.Storage.FileProperties.ThumbnailMode,unsigned int) M:Windows.Storage.IStorageItemProperties.GetThumbnailAsync(Windows.Storage.FileProperties.ThumbnailMode,uint32_t)
屬性
OverloadAttribute RemoteAsyncAttribute

另請參閱

適用於

GetThumbnailAsync(ThumbnailMode, UInt32, ThumbnailOptions)

編輯

根據指定的選項，擷取與 StorageFolder相關聯的縮圖。

public:
 virtual IAsyncOperation<StorageItemThumbnail ^> ^ GetThumbnailAsync(ThumbnailMode mode, unsigned int requestedSize, ThumbnailOptions options) = GetThumbnailAsync;
/// [Windows.Foundation.Metadata.Overload("GetThumbnailAsync")]
/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<StorageItemThumbnail> GetThumbnailAsync(ThumbnailMode const& mode, uint32_t const& requestedSize, ThumbnailOptions const& options);
[Windows.Foundation.Metadata.Overload("GetThumbnailAsync")]
[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<StorageItemThumbnail> GetThumbnailAsync(ThumbnailMode mode, uint requestedSize, ThumbnailOptions options);
function getThumbnailAsync(mode, requestedSize, options)
Public Function GetThumbnailAsync (mode As ThumbnailMode, requestedSize As UInteger, options As ThumbnailOptions) As IAsyncOperation(Of StorageItemThumbnail)

參數

mode
ThumbnailMode

要擷取的縮圖模式。

requestedSize
UInt32

unsigned int

uint32_t

要擷取之縮圖圖元的要求大小。

options
ThumbnailOptions

縮圖擷取選項。

傳回

IAsyncOperation<StorageItemThumbnail>

當此方法成功完成時，它會以 StorageItemThumbnail 物件的形式傳回縮圖影像。

實作

M:Windows.Storage.IStorageItemProperties.GetThumbnailAsync(Windows.Storage.FileProperties.ThumbnailMode,System.UInt32,Windows.Storage.FileProperties.ThumbnailOptions) M:Windows.Storage.IStorageItemProperties.GetThumbnailAsync(Windows.Storage.FileProperties.ThumbnailMode,unsigned int,Windows.Storage.FileProperties.ThumbnailOptions) M:Windows.Storage.IStorageItemProperties.GetThumbnailAsync(Windows.Storage.FileProperties.ThumbnailMode,uint32_t,Windows.Storage.FileProperties.ThumbnailOptions)
屬性
OverloadAttribute RemoteAsyncAttribute

另請參閱

適用於