public static Task<int> ReadAsync(
	this Stream stream,
	byte[] buffer,
	int offset,
	int count,
	CancellationToken cancellationToken
)

<ExtensionAttribute>
Public Shared Function ReadAsync ( 
	stream As Stream,
	buffer As Byte(),
	offset As Integer,
	count As Integer,
	cancellationToken As CancellationToken
) As Task(Of Integer)

public:
[ExtensionAttribute]
static Task<int>^ ReadAsync(
	Stream^ stream, 
	array<unsigned char>^ buffer, 
	int offset, 
	int count, 
	CancellationToken cancellationToken
)

[<ExtensionAttribute>]
static member ReadAsync : 
        stream : Stream * 
        buffer : byte[] * 
        offset : int * 
        count : int * 
        cancellationToken : CancellationToken -> Task<int> 

Parameters

stream

Type: System.IOStream
The stream to read data from.

buffer

Type: SystemByte
The buffer to write the data into.

offset

Type: SystemInt32
The byte offset in buffer at which to begin writing data from the stream.

count

Type: SystemInt32
The maximum number of bytes to read.

cancellationToken

Type: System.ThreadingCancellationToken
The token to monitor for cancellation requests. The default value is None.

Return Value

Usage Note

Use the CanRead property to determine whether the stream instance supports reading.

If the operation is canceled before it completes, the returned task contains the Canceled value for the Status property.

.NET for Windows Store apps

.NET Framework

Portable Class Library

Threading Library

Reference