public async Task <IActionResult> Edit(int id, [Bind("Ip,Port,Username,Password,Id,DateAdded,DateModified,Active")] ProxyIp proxyIp) { if (id != proxyIp.Id) { return(NotFound()); } if (ModelState.IsValid) { try { proxyIp.DateModified = DateTime.Now; await _proxyIpsRepo.EditProxyIp(proxyIp); } catch (DbUpdateConcurrencyException) { if (!ProxyIpExists(proxyIp.Id)) { return(NotFound()); } else { throw; } } return(RedirectToAction(nameof(Index))); } return(View(proxyIp)); }
public async Task <ProxyIp> EditProxyIp(ProxyIp proxyIP) { _context.ProxyIps.Update(proxyIP); await _context.SaveChangesAsync(); return(proxyIP); }
public async Task <ProxyIp> CreateProxyIp(ProxyIp proxyIp) { _context.Add(proxyIp); await _context.SaveChangesAsync(); return(proxyIp); }
/// <summary> /// 获取代理 /// </summary> /// <returns></returns> private static ProxyIp GetProxy() { _proxyIp = null; if (_ipList.Count() > 0) { var proxyIndex = (new Random()).Next(_ipList.Count()); _proxyIp = _ipList[proxyIndex]; } return _proxyIp; }
public async Task <IActionResult> Create([Bind("Ip,Port,Username,Password,Id,DateAdded,DateModified,Active")] ProxyIp proxyIp) { if (ModelState.IsValid) { proxyIp.DateAdded = DateTime.Now; proxyIp.DateModified = DateTime.Now; await _proxyIpsRepo.CreateProxyIp(proxyIp); return(RedirectToAction(nameof(Index))); } return(View(proxyIp)); }
public void Recurrency(List <PostalCode> postalCodes, PropertyType propertyType, Process process, ProxyIp proxyIp, ProcessType processType) { var jobId = BackgroundJob.Enqueue(() => _crawlerService.Execute(postalCodes, propertyType, process, proxyIp, processType)); if (int.TryParse(jobId, out int temp)) { UpdateProcess(temp, process); } //update process status BackgroundJob.ContinueJobWith(jobId, () => Execute(jobId, process.Id), JobContinuationOptions.OnAnyFinishedState); }
public async Task Job(List <PostalCode> postalCodes, PropertyType propertyType, ProcessType processType, bool isScheduled, ScheduleInterval?scheduleInterval, ProxyIp proxyIp) { var process = InsertProcess(processType, propertyType); if (isScheduled) { var cron = Cron.Daily(); switch (scheduleInterval) { case ScheduleInterval.Monthly: cron = Cron.Monthly(); break; case ScheduleInterval.Daily: cron = Cron.Daily(); break; case ScheduleInterval.Once_in_2_Days: cron = Cron.DayInterval(2); break; case ScheduleInterval.Once_in_4_Days: cron = Cron.DayInterval(4); break; case ScheduleInterval.Twice_a_Month: cron = Cron.DayInterval(15); break; case ScheduleInterval.Weekly: cron = Cron.DayInterval(7); break; default: break; } RecurringJob.AddOrUpdate( () => Recurrency(postalCodes, propertyType, process, proxyIp, processType), cron); } else { var jobId = BackgroundJob.Enqueue(() => _crawlerService.Execute(postalCodes, propertyType, process, proxyIp, processType)); if (int.TryParse(jobId, out int temp)) { UpdateProcess(temp, process); } //update process status BackgroundJob.ContinueJobWith(jobId, () => Execute(jobId, process.Id), JobContinuationOptions.OnAnyFinishedState); } }
public void PostalCodeProperty(PostalCode postalCode, Portal portal, List <UrlType> urlTypes, Process process, PropertyType propertyType, ProxyIp proxy) { var _appContext = new PropertyCrawler.Data.AppContext(true); var dateNow = DateTime.UtcNow; var processPostalCode = new ProcessPostalCode { DateAdded = dateNow, Active = true, Status = (int)ProcessStatus.Processing, PostalCodeId = postalCode.Id, DateModified = dateNow, ProcessId = process.Id }; _appContext.ProcessPostalCodes.Add(processPostalCode); _appContext.SaveChanges(); List <Url> urls = new List <Url>(); if (propertyType == PropertyType.All) { //get urls that are not in property table urls = (from u in _appContext.Urls.Where(x => x.Active && x.PostalCodeId == postalCode.Id) join p in _appContext.Properties on u.Id equals p.UrlId into gj from x in gj.AsEnumerable() select u).ToList(); } else { //get urls that are not in property table urls = (from u in _appContext.Urls.Where(x => x.Active && x.PostalCodeId == postalCode.Id && x.Type == (int)propertyType) join p in _appContext.Properties on u.Id equals p.UrlId into gj from x in gj.AsEnumerable() select u).ToList(); } try { var partitioner = Partitioner.Create(urls); var parallelOptions = new ParallelOptions { MaxDegreeOfParallelism = Environment.ProcessorCount }; Parallel.ForEach(partitioner, parallelOptions, (listItem, loopState) => { ProcessProperty(portal, listItem, urlTypes.FirstOrDefault(x => x.Id == listItem.UrlTypeId), processPostalCode, proxy); }); processPostalCode.Status = ProcessStatus.Success; _appContext.ProcessPostalCodes.Update(processPostalCode); } catch (Exception ex) { processPostalCode.Status = ProcessStatus.Failed; _appContext.ProcessPostalCodes.Update(processPostalCode); _appContext.SaveChanges(); } }
public void PropertiesCrawler(List <PostalCode> postalCodes, Process process, PropertyType type, ProxyIp proxy) { var _appContext = new PropertyCrawler.Data.AppContext(true); var portal = _appContext.Portals.FirstOrDefault(x => x.Active && x.Name.ToLower().Contains("right")); var urlType = _appContext.UrlTypes.Where(x => x.Active).ToList(); foreach (var postalcode in postalCodes) { PostalCodeProperty(postalcode, portal, urlType, process, type, proxy); } }
public void ProcessUpdatePriceUrl(Portal portal, PostalCode postalCode, PropertyType propertyType, List <UrlType> urlTypes, ProcessPostalCode processPostalCode, ProxyIp proxyIp, ProcessType processType) { var _appContext = new PropertyCrawler.Data.AppContext(true); var type = propertyType == PropertyType.Sell ? "SALE" : "RENT"; var urlType = propertyType == PropertyType.Sell ? "/property-for-sale" : "/property-to-rent"; var currentUrls = _appContext.Urls.Where(x => x.Type == (int)propertyType && x.PostalCodeId == postalCode.Id).ToList(); var currentUrlIds = currentUrls.Select(x => x.Id).OrderBy(x => x).ToList(); var currentUrlPropertyCodes = currentUrls.Select(x => x.PropertyCode).OrderBy(x => x).ToList(); var currentProperties = _appContext.Properties.Where(x => x.UrlId.HasValue && currentUrlIds.Contains(x.UrlId.Value)).ToList(); var proxy = new WebProxy() { Address = String.IsNullOrWhiteSpace(proxyIp.Port) ? new Uri($"http://{proxyIp.Ip}"): new Uri($"http://{proxyIp.Ip}:{proxyIp.Port}"), BypassProxyOnLocal = false, UseDefaultCredentials = false, // *** These creds are given to the proxy server, not the web server *** Credentials = new NetworkCredential( userName: proxyIp.Username, password: proxyIp.Password) }; // Now create a client handler which uses that proxy var httpClientHandler = new HttpClientHandler() { Proxy = proxy, }; // Omit this part if you don't need to authenticate with the web server: //if (needServerAuthentication) //{ // httpClientHandler.PreAuthenticate = true; // httpClientHandler.UseDefaultCredentials = false; // // *** These creds are given to the web server, not the proxy server *** // httpClientHandler.Credentials = new NetworkCredential( // userName: serverUserName, // password: serverPassword); // } //try //{ using (var client = new HttpClient(handler: httpClientHandler, disposeHandler: true)) { client.DefaultRequestHeaders.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3"); client.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.36"); client.DefaultRequestHeaders.Add("Accept-Language", "en-US,en;q=0.9,it;q=0.8,sq;q=0.7"); var page = 0; var queryString = $"/find.html?locationIdentifier={portal.OutCodeKey + postalCode.OutCode}&sortType=10&propertyTypes=&includeLetAgreed=false&mustHave=&dontShow=&furnishTypes=&keywords="; if (processType.ToString() == "LastWeek") { queryString += "&maxDaysSinceAdded=7"; } else if (processType.ToString() == "LastTwoWeeks") { queryString += "&maxDaysSinceAdded=14"; } var pagesHtml = client.GetStringAsync(portal.Url + urlType + queryString).Result; HtmlDocument pagesDocument = new HtmlDocument(); pagesDocument.LoadHtml(pagesHtml); var allUrlCrawlerModels = new List <UrlCrawlerModel>(); //a// class// propertyCard-priceLink var listOfUrlProperties = new PropertyUrlDetails(); var jsonString = pagesDocument.DocumentNode.InnerHtml.Split("<script>window.jsonModel = ")[1].Split("}</script><script>")[0] + "}"; var jsonObj = JsonConvert.DeserializeObject <PropertyUrlDetails>(jsonString); listOfUrlProperties.properties.AddRange(jsonObj.properties); var totalcount = int.Parse(pagesDocument.DocumentNode.SelectSingleNode(".//span[@class=\"searchHeader-resultCount\"]").InnerText.Replace(",", "")); var pages = (totalcount / 24) + ((totalcount % 24) == 0 ? 0 : 1); for (int i = 1; i < pages; i++) { try { queryString = $"/find.html?locationIdentifier={portal.OutCodeKey + postalCode.OutCode}&sortType=10&index={24 * i}&propertyTypes=&includeLetAgreed=false&mustHave=&dontShow=&furnishTypes=&keywords="; pagesHtml = client.GetStringAsync(portal.Url + urlType + queryString).Result; pagesDocument = new HtmlDocument(); pagesDocument.LoadHtml(pagesHtml); jsonString = pagesDocument.DocumentNode.InnerHtml.Split("<script>window.jsonModel = ")[1].Split("}</script><script>")[0] + "}"; jsonObj = JsonConvert.DeserializeObject <PropertyUrlDetails>(jsonString); listOfUrlProperties.properties.AddRange(jsonObj.properties); } catch (Exception ex) { break; } } foreach (var prop in listOfUrlProperties.properties) { var urlCrawlerModel = new UrlCrawlerModel { Price = prop.price.amount, PriceQualifier = prop.price.displayPrices[0].displayPriceQualifier, PropertyCode = prop.id, UrlTypeId = urlTypes.FirstOrDefault(a => prop.propertyUrl.Trim().Contains(a.UrlPortion))?.Id ?? null }; allUrlCrawlerModels.Add(urlCrawlerModel); } allUrlCrawlerModels = allUrlCrawlerModels.Distinct().ToList(); var pricePropertyList = new List <PropertyPrice>(); //Find urls that don't exist any more at page //Update list with property codes var propertyCodesList = allUrlCrawlerModels.Select(x => x.PropertyCode).OrderBy(x => x).ToList(); //Property Urls that already exist into database var currentExistentUrls = currentUrls.Where(x => x.Active && propertyCodesList.Contains(x.PropertyCode)).ToList(); var currentExistenturlsId = currentExistentUrls.Select(x => x.Id); var toBeLogicalDeleteIds = currentUrlIds.Except(currentExistenturlsId); //From current property url list get what does not exist any more and updated into active false var toBeLogicDeletedUrls = currentUrls.Where(x => toBeLogicalDeleteIds.Contains(x.Id)); ///currentUrls.Except(currentExistentUrls).ToList(); //logic delete base on propertycodes into Url and Properties table var dateNow = DateTime.UtcNow; foreach (var url in toBeLogicDeletedUrls) { var urlToBeUpdated = url; urlToBeUpdated.Active = false; urlToBeUpdated.DateModified = dateNow; var propertyToBeUpdated = currentProperties.FirstOrDefault(x => x.UrlId.HasValue && x.UrlId == url.Id); if (propertyToBeUpdated != null) { propertyToBeUpdated.DateModified = dateNow; propertyToBeUpdated.Active = false; _appContext.Properties.Update(propertyToBeUpdated); } _appContext.Urls.Update(urlToBeUpdated); } _appContext.SaveChanges(); //Existent foreach (var item in allUrlCrawlerModels) { var existUrl = currentUrls.FirstOrDefault(x => x.PropertyCode == item.PropertyCode); PropertyCrawler.Data.Property existProperty = null; if (existUrl != null) { existProperty = currentProperties.FirstOrDefault(x => x.UrlId == existUrl.Id); } //Properties does not exists //Insert into Url Table, Start the process Properties if (existUrl == null) { var insertUrl = new Url { PropertyCode = item.PropertyCode, Type = (int)propertyType, PortalId = portal.Id, DateModified = DateTime.Now, DateAdded = DateTime.Now, Active = true, PostalCodeId = postalCode.Id, UrlTypeId = item.UrlTypeId }; if (existProperty != null) { var property = existProperty; property.Price = item.Price; _appContext.Properties.Update(property); } _appContext.Urls.Add(insertUrl); _appContext.SaveChanges(); if (existProperty == null) { ProcessProperty(portal, insertUrl, urlTypes.FirstOrDefault(x => x.Id == item.UrlTypeId), processPostalCode, proxyIp); } } //else if (existUrlProperty.prop == null) //{ // ProcessProperty(portal, existUrlProperty.url, urlTypes.FirstOrDefault(x => x.Id == item.UrlTypeId), processPostalCode); //} //Property exist //insert into priceProperty table //Update Properties last Price else { if (existProperty == null) { if (existUrl != null) { var updUrl = existUrl; updUrl.Active = true; _appContext.Urls.Update(updUrl); _appContext.SaveChanges(); ProcessProperty(portal, updUrl, urlTypes.FirstOrDefault(x => x.Id == item.UrlTypeId), processPostalCode, proxyIp); } else { var insertUrl = new Url { PropertyCode = item.PropertyCode, Type = (int)propertyType, PortalId = portal.Id, DateModified = DateTime.Now, DateAdded = DateTime.Now, Active = true, PostalCodeId = postalCode.Id, UrlTypeId = item.UrlTypeId }; _appContext.Urls.Add(insertUrl); _appContext.SaveChanges(); ProcessProperty(portal, insertUrl, urlTypes.FirstOrDefault(x => x.Id == item.UrlTypeId), processPostalCode, proxyIp); } } else { var priceProperty = new PropertyPrice { PropertyId = existProperty.Id, Price = item.Price, PriceQualifier = item.PriceQualifier, DateModified = DateTime.Now, DateAdded = DateTime.Now, Active = true }; var updUrl = existUrl; updUrl.Active = true; _appContext.Urls.Update(updUrl); var property = existProperty; property.Price = item.Price; property.Active = true; property.DateModified = DateTime.UtcNow; _appContext.PropertyPrices.Add(priceProperty); _appContext.Properties.Update(property); _appContext.SaveChanges(); //pricePropertyList.Add(priceProperty); } } } // _appContext.SaveChanges(); } //} //catch (Exception ex) //{ //} }
public void UpdatePriceUrlCrawler(List <PostalCode> postalCodes, PropertyType type, Process process, ProxyIp proxy, ProcessType processType) { var _appContext = new PropertyCrawler.Data.AppContext(true); var portal = _appContext.Portals.FirstOrDefault(x => x.Active && x.Name.ToLower().Contains("right")); var urlTypes = _appContext.UrlTypes.Where(x => x.Active).ToList(); var partitioner = Partitioner.Create(postalCodes); var parallelOptions = new ParallelOptions { MaxDegreeOfParallelism = Environment.ProcessorCount }; Parallel.ForEach(partitioner, parallelOptions, (listItem, loopState) => { var processPostalCode = InsertProcessPostalCode(process, listItem); try { if (type == PropertyType.All) { ProcessUpdatePriceUrl(portal, listItem, PropertyType.Sell, urlTypes, processPostalCode, proxy, processType); ProcessUpdatePriceUrl(portal, listItem, PropertyType.Rent, urlTypes, processPostalCode, proxy, processType); } else { ProcessUpdatePriceUrl(portal, listItem, type, urlTypes, processPostalCode, proxy, processType); } UpdateProcess(processPostalCode, ProcessStatus.Success); } catch (Exception ex) { UpdateProcess(processPostalCode, ProcessStatus.Failed); } }); }
public void Execute(List <PostalCode> postalCodes, PropertyType type, Process process, ProxyIp proxy, ProcessType processType) { if (ProcessType.LastWeek == process.Type) { UpdatePriceUrlCrawler(postalCodes, type, process, proxy, processType); } else if (ProcessType.LastTwoWeeks == process.Type) { UpdatePriceUrlCrawler(postalCodes, type, process, proxy, processType); } else { UpdatePriceUrlCrawler(postalCodes, type, process, proxy, processType); } }
public void ProcessProperty(Portal portal, Url url, UrlType urlType, ProcessPostalCode processPostalCode, ProxyIp proxyIp) { var _appContext = new PropertyCrawler.Data.AppContext(true); try { var proxy = new WebProxy() { Address = new Uri($"http://{proxyIp.Ip}"),/*:{proxyPort}*/ BypassProxyOnLocal = false, UseDefaultCredentials = false, // *** These creds are given to the proxy server, not the web server *** Credentials = new NetworkCredential( userName: proxyIp.Username, password: proxyIp.Password) }; // Now create a client handler which uses that proxy var httpClientHandler = new HttpClientHandler() { Proxy = proxy, }; using (var client = new HttpClient(handler: httpClientHandler, disposeHandler: true)) { client.DefaultRequestHeaders.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3"); client.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.36"); client.DefaultRequestHeaders.Add("Accept-Language", "en-US,en;q=0.9,it;q=0.8,sq;q=0.7"); var links = client.GetStringAsync(portal.Url + urlType.UrlPortion + url.PropertyCode + ".html").Result; HtmlDocument document = new HtmlDocument(); document.LoadHtml(links); if (document.DocumentNode.InnerText.Contains("This property has been removed by the agent.") || document.DocumentNode.InnerText.Contains("We are sorry but we could not find the property you have requested.")) { url.DateModified = DateTime.UtcNow; url.Active = false; _appContext.Entry(url).State = EntityState.Modified; _appContext.Urls.Update(url); _appContext.SaveChanges(); } else { var propertyInfo = @"'property',"; var branchInfo = @"'branch',"; var imagesInfo = @"images : "; var data = document.DocumentNode.SelectNodes("//script").FirstOrDefault(x => x.InnerHtml.Contains(propertyInfo)); var jsonString = data.InnerText.Split(@"'property',")[1].Trim(); var jsonData = jsonString.Remove(jsonString.Length - 3, 3); var propertyData = JsonConvert.DeserializeObject <Details>(jsonData); var branchData = document.DocumentNode.SelectNodes("//script").FirstOrDefault(x => x.InnerText.Contains(branchInfo)); jsonString = branchData.InnerText.Split(@"'branch',")[1].Trim(); jsonData = jsonString.Remove(jsonString.Length - 3, 3); var agentData = JsonConvert.DeserializeObject <Branch>(jsonData); var imagesData = document.DocumentNode.SelectNodes("//script").FirstOrDefault(x => x.InnerText.Contains(imagesInfo)); jsonString = imagesData.InnerText.Split(imagesInfo)[1].Trim(); jsonData = jsonString.Split("\"}],")[0] + "\"}]"; var imageData = jsonString.Split("\"}],").Length > 1 ? JsonConvert.DeserializeObject <List <Images> >(jsonData) : new List <Images>(); //Description itemprop="description" itemprop="description" var description = document.DocumentNode.SelectSingleNode(".//p[@itemprop=\"description\"]").InnerText.Trim(); //Full address //address itemprop=address var address = document.DocumentNode.SelectSingleNode(".//address[@itemprop=\"address\"]").InnerText.Trim(); //agent phone number// class branch-telephone-number var agentPhoneNumber = document.DocumentNode.SelectSingleNode(".//a[@class=\"branch-telephone-number\"]").InnerText.Trim(); var dateNow = DateTime.UtcNow; var priceValue = !string.IsNullOrEmpty(propertyData.propertyInfo.price) ? (Decimal.TryParse(propertyData.propertyInfo.price, out decimal tem) ? tem : 0) : 0; //agent var existAgent = _appContext.Agents.FirstOrDefault(x => x.AgentCode == agentData.branchId && x.Active); if (existAgent == null) { existAgent = new Agent { DateAdded = dateNow, DateModified = dateNow, DisplayAddress = agentData.displayAddress, Active = true, AgentCode = agentData.branchId, AgentType = agentData.agentType, BranchName = agentData.branchName, BranchPostcode = agentData.branchPostcode, BrandName = agentData.brandName, CompanyName = agentData.companyName, CompanyType = agentData.companyType, PhoneNumber = agentPhoneNumber, }; } //description var propertyDescription = new PropertyDescription { DateAdded = dateNow, DateModified = dateNow, Description = description, Active = true }; //price var price = new PropertyPrice { DateAdded = dateNow, DateModified = dateNow, Price = priceValue, PriceQualifier = propertyData.propertyInfo.priceQualifier, Active = true }; //Images var images = imageData.Select(x => new PropertyCrawler.Data.Image { DateAdded = dateNow, DateModified = dateNow, Active = true, Caption = x.caption, Url = x.masterUrl }).ToList(); var postC = propertyData.location.postcode?.Trim(); //property CultureInfo enUS = new CultureInfo("en-US"); var property = new PropertyCrawler.Data.Property { DateAdded = dateNow, DateModified = dateNow, Active = true, LettingType = propertyData.propertyInfo.lettingType, PropertyType = propertyData.propertyInfo.propertyType, PostalCode = propertyData.location.postcode, PostalCodeFull = postC.Substring(0, postC.Length - 2), PostalCodePrefix = postC.Substring(0, 2), PostalCodeExtended = postC.Substring(0, postC.Length - 3).Trim(), Type = (PropertyType)url.Type, PropertyAdded = DateTime.TryParseExact(propertyData.propertyInfo.added, "yyyyMMdd", enUS, DateTimeStyles.AssumeLocal, out DateTime temp) ? temp : DateTime.MinValue, Latitude = propertyData.location.latitude, Longtitude = propertyData.location.longitude, Address = address, Price = priceValue, BedroomsCount = (byte)propertyData.propertyInfo.beds, FloorPlanCount = propertyData.floorplanCount, PropertySubType = propertyData.propertyInfo.propertySubType, UrlId = url.Id }; property.Images.AddRange(images); property.PropertyPrices.Add(price); if (existAgent.Id != 0) { property.AgentId = existAgent.Id; } else { property.Agent = existAgent; } property.PropertyDescription = propertyDescription; _appContext.Properties.Add(property); // _appContext.PropertyDescriptions.Add(propertyDescription); _appContext.SaveChanges(); } } } catch (Exception ex) { var dateNow = DateTime.UtcNow; var processPostalCodeUrlFailed = new ProcessPostalCodeUrlFailed { DateAdded = dateNow, Active = true, DateModified = dateNow, UrlId = url.Id, ProcessPostalCodeId = processPostalCode.Id, FailReason = ex.Message }; _appContext.ProcessPostalCodeUrlFails.Add(processPostalCodeUrlFailed); _appContext.SaveChanges(); } }
void SetInterface(bool value) { if (groupBox1.InvokeRequired) { groupBox1.BeginInvoke(new Action(() => { groupBox1.Enabled = value; })); } else { groupBox1.Enabled = value; } if (Button_StartScrape.InvokeRequired) { Button_StartScrape.BeginInvoke(new Action(() => { Button_StartScrape.Enabled = value; })); } else { Button_StartScrape.Enabled = value; } if (checkBoxDownloadPhoto.InvokeRequired) { checkBoxDownloadPhoto.BeginInvoke(new Action(() => { checkBoxDownloadPhoto.Enabled = value; })); } else { checkBoxDownloadPhoto.Enabled = value; } if (downloadGroups.InvokeRequired) { downloadGroups.BeginInvoke(new Action(() => { downloadGroups.Enabled = value; })); } else { downloadGroups.Enabled = value; } if (checkBoxAll_ON.InvokeRequired) { checkBoxAll_ON.BeginInvoke(new Action(() => { checkBoxAll_ON.Enabled = value; })); } else { checkBoxAll_ON.Enabled = value; } if (checkBoxAll_OFF.InvokeRequired) { checkBoxAll_OFF.BeginInvoke(new Action(() => { checkBoxAll_OFF.Enabled = value; })); } else { checkBoxAll_OFF.Enabled = value; } if (ProxyIp.InvokeRequired) { ProxyIp.BeginInvoke(new Action(() => { ProxyIp.Enabled = value; })); } else { ProxyIp.Enabled = value; } if (DownloadDelay.InvokeRequired) { DownloadDelay.BeginInvoke(new Action(() => { DownloadDelay.Enabled = value; })); } else { DownloadDelay.Enabled = value; } if (treeView1.InvokeRequired) { treeView1.BeginInvoke(new Action(() => { treeView1.Enabled = value; })); } else { treeView1.Enabled = value; } }