输出字符串格式化/ Linq对数组操作 /一个按钮样式

          textBox1.Text = dateTimePicker1.Value.ToString("yyyy-MM-dd HH:mm:ss");

            int[] arr = { , , , , , , , , , ,  };
            var data = arr.Where(n => n %  ==  && n > ).OrderByDescending(n => n);
            foreach (var x in data) {
                Console.WriteLine(x);
            }
            Console.ReadKey();

           //
            // button1
            //
            this.button1.BackColor = System.Drawing.SystemColors.Window;//背景色
            this.button1.FlatAppearance.BorderColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));//边框颜色
            this.button1.FlatAppearance.BorderSize = ;//边框大小
            this.button1.FlatAppearance.MouseDownBackColor = System.Drawing.Color.Blue;//鼠标按下背景
            this.button1.FlatAppearance.MouseOverBackColor = System.Drawing.Color.FromArgb(((int)(((byte)()))), ((int)(((byte)()))), ((int)(((byte)()))));//鼠标停留背景色
            this.button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat;//平面样式
            this.button1.Font = new System.Drawing.Font("微软雅黑", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)()));//字体
            this.button1.Location = new System.Drawing.Point(, );//位置
            this.button1.Name = "button1"; //设计名字
            this.button1.Size = new System.Drawing.Size(, ); //大小
            this.button1.TabIndex = ; //索引 tab键
            this.button1.Text = "登录"; //显示名称
            this.button1.UseVisualStyleBackColor = false; //使用视觉样式背景色 默认