C# List.Distinct方法代码示例

        public void Report_UnLike()
        {
            try
            {
                List<string> Follower = new List<string>();

                DataSet ds = DataBaseHandler.SelectQuery("select * from tbl_AccountReport where ModuleName ='" + "PhotoUnlikeModule" + "' and Status='" + "Unliked" + "'", "tbl_AccountReport");

                foreach (DataRow ds_item in ds.Tables[0].Rows)
                {
                    string Photo_Id = ds_item.ItemArray[3].ToString();
                    Follower.Add(Photo_Id);
                    Follower = Follower.Distinct().ToList();
                }
                int sum = ds.Tables[0].Rows.Count;
                DataTable dt = ds.Tables[0];
                Dispatcher.Invoke(new Action(delegate
                {
                    if (Follower.Count != 0)
                    {
                        Success_UnLike_Done.Foreground = Brushes.Green;
                    }
                    Success_UnLike_Done.Content = Follower.Count;
                }));


            }
            catch (Exception ex)
            {
                GlobusLogHelper.log.Error("Error:" + ex.StackTrace);
            }
        }

        public MainWindow()
        {
            InitializeComponent();

            // lisataan comboBoxiin kaikki maat

            List<string> KaikkiMaat = new List<string>();
            List<string> Maat = new List<string>();

            KaikkiMaat.Add("Kaikki");

            XmlDocument doc = new XmlDocument();

            doc.Load(Properties.Settings.Default.ViiniXML);
 
            XmlNodeList nodes = doc.SelectNodes("viinikellari/wine/maa/text()");

            foreach (XmlNode node in nodes)
            {
                KaikkiMaat.Add(node.Value);
            }
            
            Maat = KaikkiMaat.Distinct().ToList();
            
            comboBox.ItemsSource = Maat;
        }

        public void FnvLoadpopup(string host, string modulname, List<string> Participants)
        {
            try
            {
                tblHost.Text = "";
                tblModule.Text = "";
                tblParticipants.Text = "";
                tblHost.Text = "You are invited by " + host;
                tblModule.Text = modulname;
               
                var distpart = Participants.Distinct();
                string[] part = distpart.ToArray<string>();
                tblParticipants.Text = part[0];
                for (int i = 1; i<part.Count(); i++)
                {
                    tblParticipants.Text = tblParticipants.Text + "," + part[i];
                }
                this.Left = Convert.ToInt64(System.Windows.Forms.Screen.PrimaryScreen.Bounds.Right) - 300;
                this.Top = Convert.ToInt64(System.Windows.Forms.Screen.PrimaryScreen.Bounds.Bottom) - 180;
               // ShowWindow();
                objsb.Begin(this);
            }
            catch (Exception ex)
            {
                VMuktiAPI.VMuktiHelper.ExceptionHandler(ex, "FnvLoadpopup1()", "wndVMuktiPopup.xaml.cs");

            }
        }

 public BranchDetails()
 {
     DataTable dt = new DataTable();
     using (var connection = DatabaseService.GetAccessConnection())
     {
         connection.Open();
         dt = DatabaseService.GetDataTable("CityList");
         connection.Close();
     }
     InitializeComponent();
     List<string> cities = new List<string>();
     foreach (DataRow row in dt.Rows)
     {
         cities.Add(row["City"].ToString());
     }
     cities.Distinct().ToList().ForEach(x => cbCity.Items.Add(x));   
 }

        public void ChangeAttributeColor(Models.Users users, string AttributeName, string value, double baseRate)
        {
            List<int> list = new List<int>();
            foreach (var item in comunities.Where(n => n.UserIds != null))
            {
                list.AddRange(item.UserIds);
            }

            var rate = users.GetRate(AttributeName, value, list.Distinct());

            if (rate != double.NaN)
            {
                var r = rate / baseRate;
                if (r > 1.2)
                {
                    NewBrush(Color.FromArgb(255, 231, 159, 190), 0.5);
                }
                else if (r < 0.8)
                {
                    NewBrush(Color.FromArgb(255, 175,238, 238), 0.5);

                }
                else
                {
                    NewBrush(Colors.White, 0.5);

                }
            }
            else
            {
                NewBrush(Colors.White, 0.5);

            }
        }

        private void btnCompare_Click(object sender, RoutedEventArgs e)
        {
            Diffs = new List<XmlDifferences>();

            var pathOld = string.Empty;
            var pathNew = string.Empty;

            if (SelectedFolders.IsFile)
            {

                pathOld = SelectedFolders.FolderOld;
                pathNew = SelectedFolders.FolderNew;

                CompareFiles(pathOld, pathNew);
            }
            else if (SelectedFolders.IsFolder)
            {
                if (SelectedFolders.IncludeSubFolders)
                {
                    pathOld = SelectedFolders.FolderOld;
                    pathNew = SelectedFolders.FolderNew;

                    CompareFolderStructure(pathOld, pathNew, CompareAction.remove);
                    CompareFolderStructure(pathNew, pathOld, CompareAction.add);
                }
                else
                {
                    pathOld = SelectedFolders.FolderOld;
                    pathNew = SelectedFolders.FolderNew;

                    AddOrRemoveFile(pathOld, pathNew, CompareAction.remove);
                    AddOrRemoveFile(pathNew, pathOld, CompareAction.add);

                    CompareFolderFiles(pathOld, pathNew);
                }
            }

            grid.ItemsSource = null;
            Diffs = Diffs.Distinct().OrderBy(i => i.Component).ToList();
            grid.ItemsSource = Diffs;
        }

        private List<Product> tryTakeProducts(string url, int Zaderzhka)
        {
            string page = "";

            using (System.Net.WebClient web = new System.Net.WebClient())
            {

                web.Encoding = UTF8Encoding.Default;
                string str1 = web.DownloadString(url);

                str1 = System.Web.HttpUtility.HtmlDecode(str1);
                var numArr = Regex.Matches(str1, @"itemsCount"":([0-9]{1,5}),")
                .Cast<Match>()
                .Select(m => m.Groups[1].Value)
                .Distinct()
                .ToArray();

                int num = Int32.Parse(numArr[0]);

                while (num >= 0)
                {
                    num = num - 10;

                    string zagotovka = "http://vk.com/al_market.php?al=1&id=-$2&load=1&offset=" + num +
                    "&price_from=&price_to=&q=&sort=0";
                    _url = Regex.Replace(url, @"(http://vk.com/market-)(.+)", zagotovka);

                    string str = web.DownloadString(_url);
                    str = System.Web.HttpUtility.HtmlDecode(str);

                    page = page + str; //doc.DocumentNode.InnerHtml
                    Thread.Sleep(Zaderzhka);
                }
                //<div id="market_item24046" class="market_row">
                //File.WriteAllText("C:\\Users\\Maxs\\Desktop\\www1.txt", page);
                //div[@class='market_row_inner_cont']
                List<Product> listProducts = new List<Product>();

                var tempUrlToItems = Regex.Matches(page, @"name""><a href=""(/market-[0-9]{2,20}\?w=product-[0-9_]{2,35})")
                .Cast<Match>()
                .Select(m => m.Groups[1].Value)
                .ToArray();

                var tempIdToItems = Regex.Matches(page, @"<div id=""market_item([0-9]{1,9})"" class=""market_row"">")
                .Cast<Match>()
                .Select(m => m.Groups[1].Value)
                .ToArray();

                var tempNameToItems = Regex.Matches(page, @"<div class=""market_row_name""><a.*?>(.*?)</a")
                .Cast<Match>()
                .Select(m => m.Groups[1].Value)
                .ToArray();

                var tempPriceToItems = Regex.Matches(page, @"<div class=""market_row_price"">(.*?)</div>")
                .Cast<Match>()
                .Select(m => m.Groups[1].Value)
                .ToArray();

                Product product;
                for (int i = 0; i < tempUrlToItems.Length; i++)
                {
                    product = new Product();
                    product.Url = Regex.Replace(tempUrlToItems[i], @"/(market-[0-9]{2,20})\?w=(product-[0-9_]{2,35})",
                        "http://vk.com/wkview.php?act=show&al=1&loc=$1&w=$2");
                    product.Name = tempNameToItems[i];
                    product.Id = tempIdToItems[i];
                    //<div class="market_row_price">2<span class="num_delim"> </span>230 руб.</div>
                    product.Price = Regex.Replace(tempPriceToItems[i], @"(<div class=""market_row_price"".*?)([7-9]{1,7} руб.)(</div>)",
                        "$2");

                    listProducts.Add(product);
                }

                listProducts = listProducts.Distinct(new ProductComparer()).ToList();


                str1 = System.Web.HttpUtility.HtmlDecode(str1);

                //3<span class="num_delim"> </span>990 руб.
                //</div> <div class="market_item_controls unshown">
                foreach (var prod in listProducts)
                {
                    prod.Price = Regex.Replace(prod.Price, @"<span class=""num_delim"">\s*?</span>",
                        " ");
                    string desc = web.DownloadString(prod.Url);
                    desc = System.Web.HttpUtility.HtmlDecode(desc);
                    prod.Desc = Regex.Replace(desc, @".*?<div class=""market_item_description"">[\n]*?\s+(.*?)</div>(.*?)<div class=""market_item_controls unshown"">.*",
                        "$1", RegexOptions.Singleline);
                    prod.Desc = Regex.Replace(prod.Desc, @"<.*?>", " ", RegexOptions.Singleline);
                    prod.Desc = Regex.Replace(prod.Desc, @"Показать полностью\.\.", "", RegexOptions.Singleline);
                    prod.Desc = Regex.Replace(prod.Desc, @"\s+", " ", RegexOptions.Singleline);
                    Thread.Sleep(Zaderzhka);
                }
                return listProducts;
            }
            
        }

 private static List<string> FindImages(string pageContent)
 {
     HtmlDocument doc = new HtmlDocument();
     doc.LoadHtml(pageContent);
     var listOfImageSources = new List<string>();
     foreach (var node in doc.DocumentNode.SelectNodes("//img"))
     {
         var src = node.Attributes.FirstOrDefault(a => a.Name.ToLower() == "src");
         if (src != null && !string.IsNullOrEmpty(src.Value))
         {
             listOfImageSources.Add(src.Value.ToLower());
         }
     }
     return listOfImageSources.Distinct().ToList();
 }

      public void report_status()
        {
          try
          {
          List<string> lst_Unfollow = new List<string>();
          DataSet ds = DataBaseHandler.SelectQuery("select * from tbl_AccountReport where ModuleName ='" + "UnfollowModule" + "' and Status='" + "Success" + "'", "tbl_AccountReport");
               
               foreach (DataRow ds_item in ds.Tables[0].Rows)
               {
                   string Photo_Id = ds_item.ItemArray[5].ToString();
                   lst_Unfollow.Add(Photo_Id);
                   lst_Unfollow = lst_Unfollow.Distinct().ToList();
               }
               int sum = ds.Tables[0].Rows.Count;
               DataTable dt = ds.Tables[0];
               Dispatcher.Invoke(new Action(delegate
               {
                   if (lst_Unfollow.Count != 0)
                   {
                       User_Unfollow_success.Foreground = Brushes.Green;
                   }
                   User_Unfollow_success.Content = lst_Unfollow.Count;
               }));

               
           }
           catch (Exception ex)
           {
               GlobusLogHelper.log.Error("Error:" + ex.StackTrace);
           }
        }

        public string Rawler2XAML(RawlerBase rawler)
        {
            StringBuilder xaml = new StringBuilder(System.Xaml.XamlServices.Save(rawler));
            xaml = xaml.Replace("\"{x:Null}\"", "Null").Replace(" Enable=\"True\"","").Replace(" Comment=\"\"","");

            System.Text.RegularExpressions.Regex regex = new System.Text.RegularExpressions.Regex(@"\w*=Null");
            List<string> list = new List<string>();
            foreach (System.Text.RegularExpressions.Match item in regex.Matches(xaml.ToString()))
            {
                list.Add(item.Value);
            }

            foreach (var item in list.Distinct())
            {
                xaml = xaml.Replace(" " + item, string.Empty);
            }

            return xaml.ToString();
        }

        private void load()
        {
            cmbStoreId.Items.Clear();
            foreach (var r in Factory.Instance.i.Project.StoreInfo)
                cmbStoreId.Items.Add(r.Id);

            cmbExistAction.Items.Clear();
            foreach (string s in Enum.GetNames(typeof(IntelliScraper.Db.saveIfExist)))
                cmbExistAction.Items.Add(s);

          

            if (rule != null)
            {
                txtTableName.Text = rule.tableName;

                chkCheckExist.IsChecked = rule.checkExistBeforeSave;
                txtCheckExistAttrs.Text = rule.checkExistAttributes;
                txtCheckExistSeparator.Text = rule.checkExistAttributesSeparator;

                cmbExistAction.SelectedValue = rule.ifExist.ToString();
                cmbStoreId.SelectedValue = rule.storeId;
                cmbStoreId_SelectionChanged(this, null);

                if (rule.map != null)
                {
                    dataGrid1.Items.Clear();
                    foreach(var m in rule.map)
                        dataGrid1.Items.Add(m);
                }

                cmbMapColName.Items.Clear();
                var store = (from x in Factory.Instance.i.Project.StoreInfo where x.Id == rule.storeId select x).FirstOrDefault();
                if (store != null)
                {
                    if ((store.type == IntelliScraper.Db.intelliScraperProjectStoreInfoType.csv || store.type == IntelliScraper.Db.intelliScraperProjectStoreInfoType.excel) && store.CsvExcelSetting != null)
                    {
                        foreach (string s in store.CsvExcelSetting.csvHeader.Split(store.CsvExcelSetting.csvSeparator.ToCharArray()))
                            cmbMapColName.Items.Add(s);
                    }     
                }

                cmbAttributes.Items.Clear();
                List<string> attrs = new List<string>();
                if (Factory.Instance.i.rules.xpathSingle != null)
                {
                    foreach (var o in Factory.Instance.i.rules.xpathSingle)
                    {
                        foreach (var attr in o.attributes)
                            attrs.Add(attr.id);
                    }
                }
                if (Factory.Instance.i.rules.xpathCollection != null)
                {
                    foreach (var c in Factory.Instance.i.rules.xpathCollection)
                    {
                        if(c.xpathSingle != null)
                        {
                            foreach (var attr in c.xpathSingle.attributes)
                                attrs.Add(attr.id);
                        }
                    }
                }

                attrs.Remove(string.Empty);
                attrs = attrs.Distinct().ToList();
                foreach(string attr in attrs)
                    cmbAttributes.Items.Add(attr);
            }
        }

 //自动提交订单--单击车次
 void chkTicket_Click(object sender, RoutedEventArgs e)
 {
     List<string> lstTickets = new List<string>();
     string strSeatTypes = "";
     foreach (var chkItem in gridTickets.Children)
     {
         if (chkItem is CheckBox)
         {
             CheckBox chkTicket = chkItem as CheckBox;
             if ((bool)chkTicket.IsChecked)
             {
                 lstTickets.Add(chkTicket.Content.ToString());
                 if (lstTickets.Count() < 5)
                 {
                     strSeatTypes += chkTicket.Tag.ToString() + ",";
                 }
             }
         }
     }
     if (lstTickets.Count() > 5)
     {
         MessageBox.Show("选择车次数不能超过5个", "消息");
         CheckBox chkObj = e.Source as CheckBox;
         chkObj.IsChecked = false;
         return;
     }
     var arrSeatType = strSeatTypes.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
     Dictionary<string, string> dicSeatTypes = new Dictionary<string, string>();
     List<string> lstSeat = new List<string>();
     for (int i = 0; i < arrSeatType.Count(); i++)
     {
         lstSeat.Add(arrSeatType[i]);
     }
     lstSeat = lstSeat.Distinct().ToList();
     dicSeatTypes.Clear();
     for (int s = 0; s < lstSeat.Count(); s++)
     {
         string seatValue = lstSeat[s] == "商务座" ? "9" : lstSeat[s] == "特等座" ? "P" : lstSeat[s] == "一等座" ? "M" : lstSeat[s] == "二等座" ? "O" : lstSeat[s] == "高级软卧" ? "6" : lstSeat[s] == "软卧" ? "4" : lstSeat[s] == "硬卧" ? "3" : lstSeat[s] == "软座" ? "2" : lstSeat[s] == "硬座" ? "1" : lstSeat[s] == "无座" ? "1" : "1";
         dicSeatTypes.Add(lstSeat[s], seatValue);
     }
     int sRow = (int)Math.Ceiling((double)lstSeat.Count() / 6), sCell = 6;
     while (sRow-- > 0)
     {
         gridSeatTypes.RowDefinitions.Add(new RowDefinition()
         {
             Height = new GridLength(15)
         });
     }
     while (sCell-- > 0)
     {
         gridSeatTypes.ColumnDefinitions.Add(new ColumnDefinition()
         {
             Width = new GridLength()
         });
     }
     gridSeatTypes.Children.Clear();
     int sR = 0, sC = 0, sT = 0;
     foreach (var d in dicSeatTypes)
     {
         CheckBox chkSeatType = new CheckBox()
         {
             Name = "chk" + d.Value,
             Content = d.Key,
             Tag = d.Value
         };
         chkSeatType.Click += chkSeatType_Click;
         gridSeatTypes.Children.Add(chkSeatType);
         if (sT > 0)
         {
             if (sT % 6 == 0)
             {
                 sR += 1;
                 sC = 0;
             }
             else
             {
                 sC++;
             }
         }
         chkSeatType.SetValue(Grid.RowProperty, sR);
         chkSeatType.SetValue(Grid.ColumnProperty, sC);
         sT++;
     }
 }

        private void MainWindow_OnActivated(object sender, EventArgs e)
        {
            if (FirstTimeActivated)
            {
                FirstTimeActivated = false;

                //Try to login with the saved credentials.
                if (!Auth.Login(Config.Instance.Username, Config.Instance.Password).Item1)
                {
                    ShowLoginDialog();
                }
                else
                {
                    OnLogin(Config.Instance.Username);
                }

                var allAssemblies = new List<LeagueSharpAssembly>();
                foreach (var profile in Config.Instance.Profiles)
                {
                    allAssemblies.AddRange(profile.InstalledAssemblies);
                }

                allAssemblies = allAssemblies.Distinct().ToList();

                GitUpdater.ClearUnusedRepos(allAssemblies);
                PrepareAssemblies(allAssemblies, Config.Instance.FirstRun || Config.Instance.UpdateOnLoad, true, true);
                Remoting.Init();
            }

            var text = Clipboard.GetText();
            if (text.StartsWith(LSUriScheme.FullName))
            {
                Clipboard.SetText("");
                LSUriScheme.HandleUrl(text, this);
            }
        }

        private static Tuple<Point3D, Point3D>[] GetUniqueLines(IEnumerable<Tuple<Point3D, Point3D>> allLines)
        {
            List<Tuple<Point3D, Point3D>> intermediate = new List<Tuple<Point3D, Point3D>>();

            //  Put the "smaller" point as item1
            foreach (var line in allLines)
            {
                if (line.Item1.X < line.Item2.X)
                {
                    intermediate.Add(line);
                }
                else if (line.Item1.X == line.Item2.X)
                {
                    if (line.Item1.Y < line.Item2.Y)
                    {
                        intermediate.Add(line);
                    }
                    else
                    {
                        intermediate.Add(Tuple.Create(line.Item2, line.Item1));
                    }
                }
                else
                {
                    intermediate.Add(Tuple.Create(line.Item2, line.Item1));
                }
            }

            return intermediate.Distinct().ToArray();
        }

        private void ShowReconstructTriangles(Point3D[] points)
        {
            //NOTE: This thinking is flawed (trying to reconstruct the triangle definitions based on the centers of the triangles) - I need this when instantiating a
            //camera from dna, the original control points are lost (vertices of the triangles)
            //
            //Instead, I'll go with Voronoi around the original even dist points, which is a much cleaner design all around

            Point3D[] points3D = points;//.Select(o => o.ToPoint()).ToArray();
            Point[] points2D = points3D.Select(o => new Point(o.X, o.Y)).ToArray();

            TriangleIndexed[] triangles = Math2D.GetDelaunayTriangulation(points2D, points3D);

            var quickHull = Math2D.GetConvexHull(points);
            bool[] isPerimiter = Enumerable.Range(0, points.Length).Select(o => quickHull.PerimiterLines.Contains(o)).ToArray();

            var remaining = TriangleIndexed.GetUniqueLines(triangles).ToList();

            #region First Pass

            List<Tuple<int, int>> first = new List<Tuple<int, int>>();

            for (int cntr = 0; cntr < points.Length; cntr++)
            {
                //  Get the lines connected to this point
                var connected = remaining.Where(o => o.Item1 == cntr || o.Item2 == cntr).
                    OrderBy(o => (points[o.Item2] - points[o.Item1]).LengthSquared).
                    ToArray();

                if (connected.Length == 0)
                {
                    continue;
                }

                //  Of these, choose the shortest
                first.Add(connected[0]);
            }


            first = first.Distinct().ToList();
            foreach (var shrt in first)
            {
                remaining.Remove(shrt);
            }

            #endregion
            #region Second Pass

            List<Tuple<int, int>> second = new List<Tuple<int, int>>();

            for (int cntr = 0; cntr < points.Length; cntr++)
            {
                int numConnected = first.Count(o => o.Item1 == cntr || o.Item2 == cntr);

                if (numConnected > 3)
                {
                    int seven = 8;
                }

                if (numConnected == 3)
                {
                    continue;
                }

                if (isPerimiter[cntr] && numConnected == 2)
                {
                    continue;
                }

                //  This still needs connections
                var connected = remaining.Where(o => o.Item1 == cntr || o.Item2 == cntr).
                    OrderBy(o => (points[o.Item2] - points[o.Item1]).LengthSquared).
                    ToArray();

                if (connected.Length == 0)
                {
                    continue;
                }

                //  Of these, choose the shortest
                second.Add(connected[0]);
            }


            second = second.Distinct().ToList();
            foreach (var shrt in second)
            {
                remaining.Remove(shrt);
            }

            #endregion
            #region Third Pass

            List<Tuple<int, int>> third = new List<Tuple<int, int>>();

            for (int cntr = 0; cntr < points.Length; cntr++)
            {
                int numConnected = first.Count(o => o.Item1 == cntr || o.Item2 == cntr);
                numConnected += second.Count(o => o.Item1 == cntr || o.Item2 == cntr);

                if (numConnected > 3)
//.........这里部分代码省略.........