PERWAPI.PDBWriter.AddSequencePoint C# (CSharp) Method

        public void AddSequencePoint(string sourceFile, Guid docLanguage, Guid langVendor, Guid docType, uint offset, uint line, uint col, uint endLine, uint endCol)
        {
            Document sourceDoc = null;

            // Make sure we are in a method
            if (currentMethod == null)
                throw new Exception("You can not add sequence points before opening a method.");

            // Check if a reference for this source document already exists
            foreach (Document doc in _docWriters)
                if (sourceFile == doc._file && docLanguage == doc._docLanguage && langVendor == doc._langVendor && docType == doc._docType) {
                    sourceDoc = doc;
                    break;
                }

            // If no existing document, create a new one
            if (sourceDoc == null) {
                sourceDoc = new Document();
                sourceDoc._file = sourceFile;
                sourceDoc._docLanguage = docLanguage;
                sourceDoc._langVendor = langVendor;
                sourceDoc._docType = docType;
                _docWriters.Add(sourceDoc);
            }

            SequencePointList spList = (SequencePointList)currentMethod.SequencePointList[sourceDoc];

            if (spList == null)
                currentMethod.SequencePointList.Add(sourceDoc, spList = new SequencePointList());

            spList.offsets.Add(offset);
            spList.lines.Add(line);
            spList.cols.Add(col);
            spList.endLines.Add(endLine);
            spList.endCols.Add(endCol);
        }