RandomAccessStream.CopyAsync 方法
重要
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| CopyAsync(IInputStream, IOutputStream) |
將來來源資料流複製到目的地資料流程。 |
| CopyAsync(IInputStream, IOutputStream, UInt64) |
將指定的位元組數目從來來源資料流複製到目的地資料流程。 |
將來來源資料流複製到目的地資料流程。
public:
static IAsyncOperationWithProgress<unsigned long long, unsigned long long> ^ CopyAsync(IInputStream ^ source, IOutputStream ^ destination);/// [Windows.Foundation.Metadata.Overload("CopyAsync")]
/// [Windows.Foundation.Metadata.RemoteAsync]
static IAsyncOperationWithProgress<uint64_t, uint64_t> CopyAsync(IInputStream const& source, IOutputStream const& destination);[Windows.Foundation.Metadata.Overload("CopyAsync")]
[Windows.Foundation.Metadata.RemoteAsync]
public static IAsyncOperationWithProgress<ulong,ulong> CopyAsync(IInputStream source, IOutputStream destination);function copyAsync(source, destination)Public Shared Function CopyAsync (source As IInputStream, destination As IOutputStream) As IAsyncOperationWithProgress(Of ULong, ULong)參數
- source
- IInputStream
要從中複製資料的資料流程。
- destination
- IOutputStream
要複製資料的資料流程。
傳回
Windows.Foundation.IAsyncOperationWithProgress<unsigned long long,unsigned long long>
IAsyncOperationWithProgress<uint64_t,uint64_t>
位元組寫入器作業。 第一個整數代表寫入的位元組數目。 第二個整數代表寫入作業的進度。
- 屬性
另請參閱
適用於
將指定的位元組數目從來來源資料流複製到目的地資料流程。
public:
static IAsyncOperationWithProgress<unsigned long long, unsigned long long> ^ CopyAsync(IInputStream ^ source, IOutputStream ^ destination, unsigned long long bytesToCopy);/// [Windows.Foundation.Metadata.Overload("CopySizeAsync")]
/// [Windows.Foundation.Metadata.RemoteAsync]
static IAsyncOperationWithProgress<uint64_t, uint64_t> CopyAsync(IInputStream const& source, IOutputStream const& destination, uint64_t const& bytesToCopy);[Windows.Foundation.Metadata.Overload("CopySizeAsync")]
[Windows.Foundation.Metadata.RemoteAsync]
public static IAsyncOperationWithProgress<ulong,ulong> CopyAsync(IInputStream source, IOutputStream destination, ulong bytesToCopy);function copyAsync(source, destination, bytesToCopy)Public Shared Function CopyAsync (source As IInputStream, destination As IOutputStream, bytesToCopy As ULong) As IAsyncOperationWithProgress(Of ULong, ULong)參數
- source
- IInputStream
要從中複製資料的資料流程。
- destination
- IOutputStream
要複製資料的資料流程。
- bytesToCopy
-
UInt64
unsigned long long
uint64_t
要複製的位元組數目。
傳回
Windows.Foundation.IAsyncOperationWithProgress<unsigned long long,unsigned long long>
IAsyncOperationWithProgress<uint64_t,uint64_t>
位元組寫入器作業。 第一個整數代表寫入的位元組數目。 第二個整數代表寫入作業的進度。
- 屬性