System.Xml.XmlTextReaderImpl.NodeData.CopyTo C# (CSharp) Méthode

            internal int CopyTo( int valueOffset, char[] buffer, int offset, int length ) {
                if ( value == null ) {
                    Debug.Assert( valueStartPos != -1 );
                    Debug.Assert( chars != null );
                    int copyCount = valueLength - valueOffset;
                    if ( copyCount > length ) {
                        copyCount = length;
                    }
                    Buffer.BlockCopy( chars, ( valueStartPos + valueOffset ) * 2, buffer, offset * 2, copyCount * 2 );
                    return copyCount;
                }
                else {
                    int copyCount = value.Length - valueOffset;
                    if ( copyCount > length ) {
                        copyCount = length;
                    }
                    value.CopyTo( valueOffset, buffer, offset, copyCount );
                    return copyCount;
                }
            }