寻找配置文件路径

try
            {

                // Extract the config file path from the default .config file

                string configPath = ConfigurationManager.AppSettings["configPath"];

                // If the default .config file is missing

                if (configPath == null)
                {

                    // Get the assembly

                    Assembly asm = Assembly.GetExecutingAssembly();

                    string exeRoot = asm.Location;

                    try
                    {

                        // And try explicitly loading it

                        Configuration config = ConfigurationManager.OpenExeConfiguration(exeRoot);

                        configPath = config.AppSettings.Settings["configPath"].Value;

                        config = null;

                        // And if it is still not found

                        if (configPath == null)
                        {

                            // Directly try to load the file from the same path as the .exe

                            string configRoot = Path.GetDirectoryName(exeRoot);

                            configPath = configRoot + "LineCounterAdding.config";

                        }

                    }

                    catch (ConfigurationErrorsException)
                    {

                        // Directly try to load the file from the same path as the .exe in all other cases

                        string configRoot = Path.GetDirectoryName(exeRoot);

                        configPath = configRoot + "LineCounterAddin.config";

                    }

                    asm = null;

                }

                // Replace the $(PersonalFolder) macro with the users MyDocuments path

                configPath = configPath.Replace("$(PersonalFolder)", Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments));

                // Load the config file
                XmlDocument doc;
                if (File.Exists(configPath))
                {

                    doc = new XmlDocument();

                    doc.Load(configPath);

                    configPath = null;

                }

            }

            catch
            {
            }

            finally
            {

            }