fixed MS3 precursor scan not found

Author: nielshulstaert

Properties/AssemblyInfo.cs

@@ -32,7 +32,7 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.1.6.0")]
-[assembly: AssemblyFileVersion("1.1.6.0")]
+[assembly: AssemblyVersion("1.1.7.0")]
+[assembly: AssemblyFileVersion("1.1.7.0")]
 
 [assembly: log4net.Config.XmlConfigurator(ConfigFile = "log4net.config")]

Writer/MzMlSpectrumWriter.cs

@@ -879,15 +879,12 @@ private SpectrumType ConstructSpectrum(int scanNumber)
                     var result = Regex.Match(scanEvent.ToString(), FilterStringIsolationMzPattern);
                     if (result.Success)
                     {
-                        if (!_precursorMs2ScanNumbers.ContainsKey(result.Groups[1].Value))
+                        if (_precursorMs2ScanNumbers.ContainsKey(result.Groups[1].Value))
                         {
-                            _precursorMs2ScanNumbers.Add(result.Groups[1].Value, scanNumber);
-                        }
-                        else
-                        {
-                            // update the existing value
-                            _precursorMs2ScanNumbers[result.Groups[1].Value] = scanNumber;
+                            _precursorMs2ScanNumbers.Remove(result.Groups[1].Value);
                         }
+
+                        _precursorMs2ScanNumbers.Add(result.Groups[1].Value, scanNumber);
                     }
 
                     // Construct and set the precursor list element of the spectrum