public class GcNumberCell : FieldsEditorCell 

using System;
using System.Windows.Forms;
using System.Drawing;

namespace GrapeCity.Win.MultiRow.InputMan.SampleCode
{
    class GcNumberCellDemo : Form
    {
        private GcMultiRow gcMultiRow1 = new GcMultiRow();
        private Label label = new Label();

        public GcNumberCellDemo()
        {
            this.Text = "GcNumberCell Demo";
            this.Size = new Size(350, 300);

            // Add MultiRow to form
            this.gcMultiRow1.Dock = DockStyle.Fill;
            this.Controls.Add(this.gcMultiRow1);

            this.label.Dock = DockStyle.Bottom;
            this.label.Height = 50;
            this.label.BackColor = SystemColors.Info;
            this.label.Text = " Enter edit mode, and click the SpinButton to modify the each field value, you can use the Alt+Substract to switch the sign, exits the edit mode, only the integral part will display.";
            this.Controls.Add(label);

            this.Load += new EventHandler(Form1_Load);

            this.StartPosition = FormStartPosition.CenterScreen;
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            GcNumberCell gcNumberCell1 = new GcNumberCell();
            SetGcNumberCellDisplayFields(gcNumberCell1);
            SetShortcutsAndSideButtons(gcNumberCell1);
            Template template1 = Template.CreateGridTemplate(new Cell[] { gcNumberCell1, gcNumberCell1.Clone() as Cell }, 200,
                AutoGenerateGridTemplateStyles.ColumnHeader | AutoGenerateGridTemplateStyles.RowHeaderAutoNumber);

            gcMultiRow1.Template = template1;
            gcMultiRow1.RowCount = 3;
        }

        private void SetGcNumberCellDisplayFields(GcNumberCell gcNumberCell1)
        {
            gcNumberCell1.DisplayFields.Clear();

            NumberSignDisplayField numberSignDisplayField1 = new NumberSignDisplayField();
            NumberIntegerPartDisplayField numberIntegerPartDisplayField1 = new NumberIntegerPartDisplayField();

            numberIntegerPartDisplayField1.GroupSizes = new int[] {0};
            numberIntegerPartDisplayField1.MinDigits = 0;

            gcNumberCell1.DisplayFields.AddRange(new NumberDisplayField[] { numberSignDisplayField1, numberIntegerPartDisplayField1 });
        }

        private void SetShortcutsAndSideButtons(GcNumberCell gcNumberCell1)
        {
            //In edit mode, hit the Alt+Subtract to switch the sign.
            gcNumberCell1.ShortcutKeys.Add(Keys.Alt | Keys.Subtract, "SwitchSign");
            gcNumberCell1.ShortcutKeys.Add(Keys.Alt | Keys.OemMinus, "SwitchSign");

            gcNumberCell1.SideButtons.Clear();
            gcNumberCell1.SideButtons.Add(new SpinButton());
        }

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