public void SendPiece(IO.Stream ostream, int pieceId, int begin, int length, IO.Stream istream, PeerFinishedPieceTransfer callback, object state)
{
SendMessageHeader(ostream, PeerMessage.Piece, 8 + length);
WriteInt(ostream, pieceId);
WriteInt(ostream, begin);
byte[] writeData = new byte[length];
istream.Read(writeData, 0, length);
object[] objs = new object[4];
objs[0] = ostream;
objs[1] = callback;
objs[2] = state;
objs[3] = length;
ostream.BeginWrite(writeData, 0, writeData.Length, new System.AsyncCallback(OnWriteFinished), (object)objs);
}
