public class CalendarRadioGroupCellType : CalendarCellType 

using System;
using System.Windows.Forms;
using System.Drawing;
using GrapeCity.Win.CalendarGrid;

namespace CalendarGridSampleCode
{
    public class RadioGroupCellDemo : Form
    {
        private GcCalendarGrid gcCalendarGrid1 = new GcCalendarGrid();
        private Label label = new Label();

        public RadioGroupCellDemo()
        {
            this.Text = "RadioGroupCell Demo";
            this.gcCalendarGrid1.Dock = DockStyle.Fill;
            this.label.Height = 30;
            this.label.Dock = DockStyle.Bottom;
            this.label.BackColor = SystemColors.Info;
            this.label.Text = "Click one cell to show the clicked item.";
            this.Controls.Add(this.gcCalendarGrid1);
            this.Controls.Add(this.label);
            this.Load += Form1_Load;
            this.gcCalendarGrid1.CellEditingValueChanged += gcCalendarGrid1_CellEditingValueChanged;
            this.Size = new Size(400, 400);
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            CalendarRadioGroupCellType radioGroupCell1 = new CalendarRadioGroupCellType();
            for (int i = 1; i < 7; i++)
            {
                radioGroupCell1.Items.Add(i.ToString());
            }
            radioGroupCell1.CheckAlign = ContentAlignment.MiddleLeft;
            //6 radio will be lay out to 3 columns.
            radioGroupCell1.ColumnCount = 3;
            //The radio button will range from left to right.
            radioGroupCell1.FlowDirection = Orientation.Horizontal;
            //Between every 2 columns, 20 pixels space exists at least.
            radioGroupCell1.HorizontalSpace = 20;
            radioGroupCell1.FlatStyle = FlatStyle.Popup;

            CalendarRadioGroupCellType radioGroupCell2 = new CalendarRadioGroupCellType();
            radioGroupCell2.Items.Add("11111");
            radioGroupCell2.Items.Add("22222");
            radioGroupCell2.Items.Add("33333");
            radioGroupCell2.Items.Add("44444");
            radioGroupCell2.Items.Add("55555");
            radioGroupCell2.Items.Add("66666");
            radioGroupCell2.CheckAlign = ContentAlignment.MiddleLeft;
            //6 radio will be lay out to 3 columns.
            radioGroupCell2.ColumnCount = 3;
            //The radio button will range from top to bottom.
            radioGroupCell2.FlowDirection = Orientation.Vertical;
            //Between every 2 lines, 20 pixels space exists at least.
            radioGroupCell2.VerticalSpace = 20;
            //
            radioGroupCell2.Ellipsis = CalendarGridEllipsisMode.EllipsisEnd;
            radioGroupCell2.EllipsisString = "...";

            CalendarTemplate template1 = CalendarTemplate.CreateDefaultTemplate();
            template1.Content.Columns[0].Width = 150;
            template1.Content.Rows[1].Height = 60;
            template1.Content.Rows[2].Height = 60;
            template1.Content[1, 0].CellType = radioGroupCell1;
            template1.Content[2, 0].CellType = radioGroupCell2;
            gcCalendarGrid1.Template = template1;
        }

        private void gcCalendarGrid1_CellEditingValueChanged(object sender, CalendarCellEditingValueChangedEventArgs e)
        {
            object item = (this.gcCalendarGrid1[e.CellPosition.Date][e.CellPosition.RowIndex, e.CellPosition.ColumnIndex].CellType as CalendarRadioGroupCellType).Items[(int)e.Value];
            this.label.Text = "The clicked item is " + item.ToString();
        }

        [STAThreadAttribute()]
        public static void Main()
        {
            Application.EnableVisualStyles();
            Application.Run(new RadioGroupCellDemo());
        }
    }
}