ImageStream.ReadAsync(IBuffer, UInt32, InputStreamOptions) 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
從循序資料流程非同步讀取資料。
public:
virtual IAsyncOperationWithProgress<IBuffer ^, unsigned int> ^ ReadAsync(IBuffer ^ buffer, unsigned int count, InputStreamOptions options) = ReadAsync;
IAsyncOperationWithProgress<IBuffer, uint32_t> ReadAsync(IBuffer const& buffer, uint32_t const& count, InputStreamOptions const& options);
public IAsyncOperationWithProgress<IBuffer,uint> ReadAsync(IBuffer buffer, uint count, InputStreamOptions options);
function readAsync(buffer, count, options)
Public Function ReadAsync (buffer As IBuffer, count As UInteger, options As InputStreamOptions) As IAsyncOperationWithProgress(Of IBuffer, UInteger)
參數
- buffer
- IBuffer
非同步讀取作業儲存資料的緩衝區。
- count
-
UInt32
unsigned int
uint32_t
緩衝區的大小。
- options
- InputStreamOptions
要讀取之資料流程的選項。
傳回
Windows.Foundation.IAsyncOperationWithProgress<Windows.Storage.Streams.IBuffer,unsigned int>
IAsyncOperationWithProgress<IBuffer,uint32_t>
位元組讀取器作業。
實作
M:Windows.Storage.Streams.IInputStream.ReadAsync(Windows.Storage.Streams.IBuffer,System.UInt32,Windows.Storage.Streams.InputStreamOptions)
M:Windows.Storage.Streams.IInputStream.ReadAsync(Windows.Storage.Streams.IBuffer,unsigned int,Windows.Storage.Streams.InputStreamOptions)
M:Windows.Storage.Streams.IInputStream.ReadAsync(Windows.Storage.Streams.IBuffer,uint32_t,Windows.Storage.Streams.InputStreamOptions)