public class GcNumberEditingControl : GrapeCity.Win.Editors.GcNumber, GrapeCity.Win.MultiRow.IEditingControl  

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

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

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

            // Add MultiRow to form
            this.gcMultiRow1.Dock = DockStyle.Fill;
            this.gcMultiRow1.EditMode = EditMode.EditOnEnter;
            this.gcMultiRow1.EditingControlShowing += new EventHandler<EditingControlShowingEventArgs>(gcMultiRow1_EditingControlShowing);
            this.Controls.Add(this.gcMultiRow1);

            this.label.Dock = DockStyle.Bottom;
            this.label.Height = 30;
            this.label.BackColor = SystemColors.Info;
            this.label.Text = "In edit mode, hit the CTR + Left/Right to move the active field, one animation effect will show.";
            this.Controls.Add(label);

            this.Load += new EventHandler(Form1_Load);

            this.StartPosition = FormStartPosition.CenterScreen;
        }

        private void gcMultiRow1_EditingControlShowing(object sender, EditingControlShowingEventArgs e)
        {
            GcNumber control = e.Control as GcNumber;

            control.FieldEnter -= new EventHandler<FieldEventArgs>(control_FieldEnter);
            control.FieldEnter += new EventHandler<FieldEventArgs>(control_FieldEnter);

            control.FieldLeave -= new EventHandler<FieldEventArgs>(control_FieldLeave);
            control.FieldLeave += new EventHandler<FieldEventArgs>(control_FieldLeave);
        }

        void control_FieldLeave(object sender, FieldEventArgs e)
        {
            e.Field.Font = new Font(e.Field.Font.FontFamily, e.Field.Font.Size - 6);
            e.Field.ForeColor = SystemColors.WindowText;
        }

        void control_FieldEnter(object sender, FieldEventArgs e)
        {
            e.Field.Font = new Font(e.Field.Font.FontFamily, e.Field.Font.Size + 6);
            e.Field.ForeColor = Color.Red;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            GcNumberCell gcNumberCell1 = new GcNumberCell();
            gcNumberCell1.Value = -12.55;
            gcNumberCell1.UseNegativeColor = false;
            gcNumberCell1.Size = new Size(120, 40);
            Template template1 = Template.CreateGridTemplate(new Cell[] { gcNumberCell1 }, 160,
                AutoGenerateGridTemplateStyles.ColumnHeader | AutoGenerateGridTemplateStyles.RowHeaderAutoNumber);

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

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