public SplitMode SplitMode {get; set;}

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

namespace GrapeCity.Win.MultiRow.SampleCode
{
    public class SplitDemo : Form
    {
        private GcMultiRow gcMultiRow1 = new GcMultiRow();
        private FlowLayoutPanel panel = new FlowLayoutPanel();

        public SplitDemo()
        {
            this.Text = "Multi-Viewports Demo";
            this.Size = new Size(570, 350);

            // Initial flow layout panel and add to form.
            this.panel.Dock = DockStyle.Left;
            this.panel.Size = new Size(300, 200);
            this.panel.FlowDirection = FlowDirection.TopDown;
            this.panel.WrapContents = false;
            this.panel.Padding = new Padding(5);
            this.Controls.Add(panel);

            // Add MultiRow to form
            this.gcMultiRow1.Dock = DockStyle.Left;
            this.gcMultiRow1.Width = 300;
            this.Controls.Add(this.gcMultiRow1);

            // Tip label
            Label label = new Label();
            label.Height = 20;
            label.Dock = DockStyle.Bottom;
            label.BackColor = SystemColors.Info;
            label.Text = "Yow can try to click buttons or drag split line or drag split button to create or remove viewports.";
            this.Controls.Add(label);

            this.Load += new EventHandler(Form1_Load);

            InitButton();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            gcMultiRow1.Template = Template.CreateGridTemplate(10);
            gcMultiRow1.RowCount = 30;

            // Initialize cell value for MultiRow control.
            for (int i = 0; i < gcMultiRow1.RowCount; i++)
            {
                gcMultiRow1.SetValue(i, "textBoxCell1", i);
            }
        }

        #region Button Event Handlers

        void setSplitModeButton_Click(object sender, EventArgs e)
        {
            if (this.gcMultiRow1.SplitMode == SplitMode.Both)
            {
                // Disable UI split.
                this.gcMultiRow1.SplitMode = SplitMode.None;
            }
            else
            {
                // Enable UI split.
                this.gcMultiRow1.SplitMode = SplitMode.Both;
            }
        }

        void addViewportButton_Click(object sender, EventArgs e)
        {
            this.gcMultiRow1.AddViewport(0, -1);
        }

        void removeViewportButton_Click(object sender, EventArgs e)
        {
            if (this.gcMultiRow1.GetVerticalViewportCount() > 1)
            {
                this.gcMultiRow1.RemoveSplit(0, Orientation.Horizontal);
            }
            else
            {
                MessageBox.Show("There is no horizontal split line.");
            }
        }

        void addViewportInSpecificPositionButton_Click(object sender, EventArgs e)
        {
            this.gcMultiRow1.InsertSplit(150, Orientation.Horizontal);
        }

        void changeSplitLineStyleButton_Click(object sender, EventArgs e)
        {
            SplitStyle splitStyle = this.gcMultiRow1.SplitStyle;

            if (this.gcMultiRow1.SplitStyle.BackColor == SystemColors.Control)
            {
                splitStyle.BackColor = Color.FromArgb(255, 215, 230, 247);
                splitStyle.DarkColor = Color.FromArgb(255, 104, 140, 175);
                splitStyle.LightColor = Color.FromArgb(255, 255, 255, 255);
                splitStyle.Width = 7;
            }
            else
            {
                splitStyle.BackColor = SystemColors.Control;
                splitStyle.DarkColor = SystemColors.ControlDark;
                splitStyle.LightColor = SystemColors.ControlLight;
                splitStyle.Width = 6;
            }

            this.gcMultiRow1.SplitStyle = splitStyle;
        }

        void getViewportInfoButton_Click(object sender, EventArgs e)
        {
            string viewportInfo = "Vertical viewport count: " + this.gcMultiRow1.GetVerticalViewportCount();

            viewportInfo += "\r\n";

            viewportInfo += "Horizontal viewport count: " + this.gcMultiRow1.GetHorizontalViewportCount();

            MessageBox.Show(viewportInfo);
        }

        #endregion

        #region Initialize Buttons

        private void InitButton()
        {
            AddButton(setSplitModeButton, "Disable/Enable UI split", new EventHandler(setSplitModeButton_Click));
            AddButton(addViewportButton, "Add a new viewport by code", new EventHandler(addViewportButton_Click));
            AddButton(removeViewportButton, "Remove a split line by code", new EventHandler(removeViewportButton_Click));
            AddButton(addViewportInSpecificPositionButton, "Insert a split line in specific position by code", new EventHandler(addViewportInSpecificPositionButton_Click));
            AddButton(changeSplitLineStyleButton, "Change split line style", new EventHandler(changeSplitLineStyleButton_Click));
            AddButton(getViewportInfoButton, "Get viewport information", new EventHandler(getViewportInfoButton_Click));
        }

        private void AddButton(Button button, string text, EventHandler eventHandler)
        {
            this.panel.Controls.Add(button);
            button.Text = text;
            button.AutoSize = true;
            button.Click += eventHandler;
        }

        Button setSplitModeButton = new Button();
        Button addViewportButton = new Button();
        Button removeViewportButton = new Button();
        Button addViewportInSpecificPositionButton = new Button();
        Button changeSplitLineStyleButton = new Button();
        Button getViewportInfoButton = new Button();

        #endregion

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