System.Diagnostics.SymbolStore.SymMethod.GetSequencePoints C# (CSharp) Method

        public void GetSequencePoints(int[] offsets,
            ISymbolDocument[] documents,
            int[] lines,
            int[] columns,
            int[] endLines,
            int[] endColumns)
        {
            int hr;
            int spCount = 0;
            if (offsets != null)
                spCount = offsets.Length;
            else if (documents != null)
                spCount = documents.Length;
            else if (lines != null)
                spCount = lines.Length;
            else if (columns != null)
                spCount = columns.Length;
            else if (endLines != null)
                spCount = endLines.Length;
            else if (endColumns != null)
                spCount = endColumns.Length;

            // Don't do anything if they're not really asking for anything.
            if (spCount == 0)
                return;

            // Make sure all arrays are the same length.
            if ((offsets != null) && (spCount != offsets.Length))
                throw new ArgumentException();

            if ((lines != null) && (spCount != lines.Length))
                throw new ArgumentException();

            if ((columns != null) && (spCount != columns.Length))
                throw new ArgumentException();

            if ((endLines != null) && (spCount != endLines.Length))
                throw new ArgumentException();

            if ((endColumns != null) && (spCount != endColumns.Length))
                throw new ArgumentException();

            COMException Exception;
            IntPtr[] IDocuments = new IntPtr[documents.Length];
            int cPoints;
            uint i;
            hr = SymMethod_GetSequencePoints(m_Method, documents.Length, out cPoints,
                IDocuments, offsets,
                lines, columns,
                endLines, endColumns);

            if (hr < 0)
            {
                Exception = new COMException("Call to GetSequencePoints failed.", hr);
                throw Exception;
            }

            // Create the SymDocument form the IntPtr's
            for (i = 0; i < documents.Length; i++)
            {
                documents[i] = new SymDocument(IDocuments[i]);
            }

            return;
        }