public void readFully(byte[] buffer, int off, int len) {checkPosition(len);read(buffer, off, len);}

public void readFully ( byte [ ] buffer , int off , int len ) { checkPosition ( len ) ; read ( buffer , off , len ) ; }
public void ReadFully(byte[] buf, int off, int len){CheckPosition(len);System.Array.Copy(_buf, _ReadIndex, buf, off, len);_ReadIndex += len;}
