//Example of checkbox editor
public class CheckBoxEditor : UITypeEditorEx
{
    public override bool GetPaintCellSupported()
    {
        return true;
    }

    public override void PaintCell(PaintCellEventArgs e)
    {
        e.Parts &= e.Parts ^ PaintPart.Text;

        //Default drawing
        base.PaintCell(e);

        Rectangle bounds = e.Cell.VirtualBounds;
        int height = Math.Min(SystemInformation.HorizontalScrollBarHeight, bounds.Height);
        int width = Math.Min(SystemInformation.VerticalScrollBarWidth, bounds.Width);

        bounds.X += (bounds.Width - width) / 2;
        bounds.Width = width;
        bounds.Y += (bounds.Height - height) / 2;
        bounds.Height = height;


        if (Equals(true, e.Cell.Value))
        {
            ControlPaint.DrawCheckBox(e.Graphics, bounds, ButtonState.Checked | ButtonState.Flat);
        }
        else if (Equals(false, e.Cell.Value))
        {
            ControlPaint.DrawCheckBox(e.Graphics, bounds, ButtonState.Normal | ButtonState.Flat);
        }
        else
        {
            ControlPaint.DrawCheckBox(e.Graphics, bounds, ButtonState.Normal | ButtonState.Inactive | ButtonState.Flat);
        }
    }

    public override void EditCell(IGridEditorService service, Cell cell, StartEditReason reason)
    {
        object value = cell.Value;
        cell.Value = !Equals(true, value);
    }

    public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context)
    {
        return UITypeEditorEditStyle.None;
    }
}


//Some data object
public class Product
{
    private bool active;
    private bool tradable;

    //Declare the CheckBoxEditor for this property. Each Grid will use this editor to edit values in cells
    [Editor(typeof(CheckBoxEditor), typeof(UITypeEditor))]
    public bool Active
    {
        get { return active; }
        set { active = value; }
    }

    //The CheckBoxEditor may be declared in the Column 
    public bool Tradable
    {
        get { return tradable; }
        set { tradable = value; }
    }
}



//Initialize the grid
public void AddDataObjectToGrid(Grid grid)
{
    //Configure the headers
    grid.Headers.Add(new Header());
    grid.Headers[0].Add(new Column("Active"));
    grid.Headers[0].Add(new Column("Tradable"));

    grid.Headers[0]["Active"].Editable = true;
    grid.Headers[0]["Tradable"].Editable = true;
    //Declare the editor only for the current grid
    grid.Headers[0]["Tradable"].Editor = new CheckBoxEditor();

    //Add a data object
    grid.Rows.Add(new Product());
}