C# 根據偶數、奇數載入不同顏色

效果圖：

C#後臺代碼

        //偶數隨機
        Random evenRanm = new Random();
        //奇數隨機
        Random oddRanm = new Random();
        string[] listColor = new string[]
           {
                "#2BB669","#FF5750","#39AFEA","#9A0089",
                "#00CC6A","#717FF9","#4A5459","#00B7C3",
                "#0078D7","#E2AB12"
           }; 
            //記載窗體執行

            //偶數集合
            List<string> evenNum=new List<string>();
            //奇數集合
            List<string> oddNum = new List<string>();
            for (int j = 0; j < listColor.Count(); j++)
            {
                if (j % 2 == 0)
                {
                    evenNum.Add(listColor[j]);
                }
                else
                {
                    oddNum.Add(listColor[j]);
                }
            }
            //對List賦值
            List<Role_Info> list = new List<Role_Info>();
            list.Add(new Role_Info() { Role_Name= "超級管理員"});
            list.Add(new Role_Info() { Role_Name= "超級用戶" });
            list.Add(new Role_Info() { Role_Name = "教師" });
            list.Add(new Role_Info() { Role_Name="院長"});
            list.Add(new Role_Info() { Role_Name = "校長" });
            list.Add(new Role_Info() { Role_Name = "普通用戶" });
            list.Add(new Role_Info() { Role_Name = "Test" });
            list.Add(new Role_Info() { Role_Name = "用戶" });
            list.Add(new Role_Info() { Role_Name = "測試用戶" });
            list.Add(new Role_Info() { Role_Name = "Student" });
            list.Add(new Role_Info() { Role_Name = "Teacher" });
            list.Add(new Role_Info() { Role_Name = "游客" });
            list.Add(new Role_Info() { Role_Name = "學生" }); 

            Button btn=null;
            for (int i = 0; i < list.Count; i++)
            {
                btn = new FButton();
                if (i%2==0)
                {
                    int even = evenRanm.Next(evenNum.Count());
                    btn.Content=list[i].Role_Name;
                    btn.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString(evenNum[even]));
                }
                else
                {
                    int odd = oddRanm.Next(oddNum.Count());
                    btn.Content=list[i].Role_Name;
                    btn.Background = new SolidColorBrush((Color)ColorConverter.ConvertFromString(oddNum[odd]));
                 }
            } 
                //最後將Button添加到控制項