/// <summary>
/// Returns an estimate of the number of bytes that can be read (or
/// skipped over) from this input stream without blocking by the next
/// invocation of a method for this input stream. The next invocation might be
/// the same thread or another thread. A single read or skip of this
/// many bytes will not block, but may read or skip fewer bytes.
/// <para>
/// This method returns the sum of the number of bytes remaining to be read in
/// the buffer (<code>count - pos</code>) and the result of calling the
/// <seealso cref="java.io.FilterInputStream#in in"/>.available().
///
/// </para>
/// </summary>
/// <returns> an estimate of the number of bytes that can be read (or skipped
/// over) from this input stream without blocking. </returns>
/// <exception cref="IOException"> if this input stream has been closed by
/// invoking its <seealso cref="#close()"/> method,
/// or an I/O error occurs. </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public synchronized int available() throws IOException
public override int Available()
{
lock (this)
{
int n = Count - Pos;
int avail = InIfOpen.Available();
return(n > (Integer.MaxValue - avail) ? Integer.MaxValue : n + avail);
}
}
