Streams

public abstract bool CanRead { get; }
public abstract int Read (byte[] buffer, int offset, int count)
public virtual int ReadByte();

public abstract bool CanWrite { get; }
public abstract void Write (byte[] buffer, int offset, int count);
public virtual void WriteByte (byte value);

public abstract bool CanSeek { get; }
public abstract long Position { get; set; } 
public abstract void SetLength (long value); 
public abstract long Length { get; }
public abstract long Seek (long offset, SeekOrigin origin);

public virtual void Close();
public void Dispose();
public abstract void Flush();

public virtual bool CanTimeout { get; } 
public virtual int ReadTimeout { get; set; } 
public virtual int WriteTimeout { get; set; }