app.config文件的读写

下图为读取代码

  #region 返回监控文件夹的路径
        public String MoiDir()
        {
            String path = "";
            ExeConfigurationFileMap file = new ExeConfigurationFileMap();
            file.ExeConfigFilename = System.Windows.Forms.Application.ExecutablePath + ".config";
            Configuration config = System.Configuration.ConfigurationManager.OpenMappedExeConfiguration(file, ConfigurationUserLevel.None);

            var myApp = (AppSettingsSection)config.GetSection("appSettings");

            path = myApp.Settings["FilepPath"].Value;
            return path;
        }

        #endregion

赋值代码只需要给myApp.Settings["FilepPath"].Value 赋值即可