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Showing content from https://dotnet.github.io/dotNext/api/DotNext.IO.RandomAccessStream.html below:

Class RandomAccessStream | .NEXT

Represents a stream over the storage that supports random access.

RandomAccessStream

public abstract class RandomAccessStream : Stream, IAsyncDisposable, IDisposable, IFlushable, IValueTaskSource, IValueTaskSource<int>

When overridden in a derived class, gets a value indicating whether the current stream supports seeking.

public override bool CanSeek { get; }

true if the stream supports seeking; otherwise, false.

When overridden in a derived class, gets or sets the position within the current stream.

public override sealed long Position { get; set; }

The current position within the stream.

Releases the unmanaged resources used by the Stream and optionally releases the managed resources.

protected override void Dispose(bool disposing)

true to release both managed and unmanaged resources; false to release only unmanaged resources.

When overridden in a derived class, reads a sequence of bytes from the current stream and advances the position within the stream by the number of bytes read.

public override sealed int Read(byte[] buffer, int offset, int count)

An array of bytes. When this method returns, the buffer contains the specified byte array with the values between offset and (offset + count - 1) replaced by the bytes read from the current source.

The zero-based byte offset in buffer at which to begin storing the data read from the current stream.

The maximum number of bytes to be read from the current stream.

The total number of bytes read into the buffer. This can be less than the number of bytes requested if that many bytes are not currently available, or zero (0) if count is 0 or the end of the stream has been reached.

When overridden in a derived class, reads a sequence of bytes from the current stream and advances the position within the stream by the number of bytes read.

public override sealed int Read(Span<byte> buffer)

A region of memory. When this method returns, the contents of this region are replaced by the bytes read from the current source.

The total number of bytes read into the buffer. This can be less than the size of the buffer if that many bytes are not currently available, or zero (0) if the buffer's length is zero or the end of the stream has been reached.

Reads bytes to the specified buffer.

protected abstract int Read(Span<byte> buffer, long offset)

The buffer to be modified.

The offset within the underlying data storage.

The number of bytes read.

Asynchronously reads a sequence of bytes from the current stream, advances the position within the stream by the number of bytes read, and monitors cancellation requests.

public override sealed Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken token)

The buffer to write the data into.

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

The maximum number of bytes to read.

A task that represents the asynchronous read operation. The value of the TResult parameter contains the total number of bytes read into the buffer. The result value can be less than the number of bytes requested if the number of bytes currently available is less than the requested number, or it can be 0 (zero) if count is 0 or if the end of the stream has been reached.

Reads bytes to the specified buffer.

protected abstract ValueTask<int> ReadAsync(Memory<byte> buffer, long offset, CancellationToken token)

The buffer to be modified.

The offset within the underlying data storage.

The token that can be used to cancel the operation.

Asynchronously reads a sequence of bytes from the current stream, advances the position within the stream by the number of bytes read, and monitors cancellation requests.

public override sealed ValueTask<int> ReadAsync(Memory<byte> buffer, CancellationToken token = default)

A task that represents the asynchronous read operation. The value of its Result property contains the total number of bytes read into the buffer. The result value can be less than the length of the buffer if that many bytes are not currently available, or it can be 0 (zero) if the length of the buffer is 0 or if the end of the stream has been reached.

Reads a byte from the stream and advances the position within the stream by one byte, or returns -1 if at the end of the stream.

public override sealed int ReadByte()

The unsigned byte cast to an int, or -1 if at the end of the stream.

When overridden in a derived class, sets the position within the current stream.

public override long Seek(long offset, SeekOrigin origin)

A byte offset relative to the origin parameter.

A value of type SeekOrigin indicating the reference point used to obtain the new position.

The new position within the current stream.

When overridden in a derived class, writes a sequence of bytes to the current stream and advances the current position within this stream by the number of bytes written.

public override sealed void Write(byte[] buffer, int offset, int count)

An array of bytes. This method copies count bytes from buffer to the current stream.

The zero-based byte offset in buffer at which to begin copying bytes to the current stream.

The number of bytes to be written to the current stream.

When overridden in a derived class, writes a sequence of bytes to the current stream and advances the current position within this stream by the number of bytes written.

public override sealed void Write(ReadOnlySpan<byte> buffer)

A region of memory. This method copies the contents of this region to the current stream.

Writes the bytes at the specified offset.

protected abstract void Write(ReadOnlySpan<byte> buffer, long offset)

The buffer to write.

The offset within the underlying data storage.

Asynchronously writes a sequence of bytes to the current stream, advances the current position within this stream by the number of bytes written, and monitors cancellation requests.

public override sealed Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken token)

The buffer to write data from.

The zero-based byte offset in buffer from which to begin copying bytes to the stream.

The maximum number of bytes to write.

A task that represents the asynchronous write operation.

Writes the bytes at the specified offset.

protected abstract ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, long offset, CancellationToken token)

The buffer to write.

The offset within the underlying data storage.

The token that can be used to cancel the operation.

The task representing asynchronous operation.

Asynchronously writes a sequence of bytes to the current stream, advances the current position within this stream by the number of bytes written, and monitors cancellation requests.

public override sealed ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, CancellationToken token = default)

A task that represents the asynchronous write operation.

Writes a byte to the current position in the stream and advances the position within the stream by one byte.

public override sealed void WriteByte(byte value)

The byte to write to the stream.

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