C# 根据偶数、奇数加载不同颜色

效果图：

 

 

C#后台代码

        //偶数随机
        Random evenRanm = new Random();
        //奇数随机
        Random oddRanm = new Random();
        string[] listColor = new string[]
           {
                "#2BB669","#FF5750","#39AFEA","#9A0089",
                "#00CC6A","#717FF9","#4A5459","#00B7C3",
                "#0078D7","#E2AB12"
           }; 
            //记载窗体执行

            //偶数集合
            List<string> evenNum=new List<string>();
            //奇数集合
            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]);
                }
            }
            //对List赋值
            List list = new List();
            list.Add(new Role_Info() { Role_Name= "超级管理员"});
            list.Add(new Role_Info() { Role_Name= "超级用户" });
            list.Add(new Role_Info() { Role_Name = "教师" });
            list.Add(new Role_Info() { Role_Name="院长"});
            list.Add(new Role_Info() { Role_Name = "校长" });
            list.Add(new Role_Info() { Role_Name = "普通用户" });
            list.Add(new Role_Info() { Role_Name = "Test" });
            list.Add(new Role_Info() { Role_Name = "用户" });
            list.Add(new Role_Info() { Role_Name = "测试用户" });
            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 = "学生" }); 

            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]));
                 }
            } 
                //最后将Button添加到控件