Context Help Made Easy

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;

namespace ContextHelpMadeEasy
{
    /// <summary>
    /// To be implemented by any control which provides a help context
    /// </summary>
    public interface IContextHelp
    {
        string ContextHelpID { get; }
    }
    /// <summary>
    /// Create PanelEx is just like a Panel, except that it implements
    /// IContextHelp
    /// </summary>
    public class PanelEx : Panel, IContextHelp
    {
        private string m_sContextID;
        public string ContextHelpID
        {
            get
            {
                if (string.IsNullOrEmpty(m_sContextID))
                    return this.Name;
                return m_sContextID;
            }
            set { m_sContextID = value; }
        }
    }
    public class TextBoxEx: TextBox, IContextHelp
    {
        private string m_sContextID;
        public string ContextHelpID 
        {
            get 
            {
                if( string.IsNullOrEmpty(m_sContextID) )
                    return this.Name;
                return m_sContextID;
            }
            set { m_sContextID = value; }
        }
    }

    public class ButtonEx : Button, IContextHelp
    {
        private string m_sContextID;
        public string ContextHelpID
        {
            get
            {
                if (string.IsNullOrEmpty(m_sContextID))
                    return this.Name;
                return m_sContextID;
            }
            set { m_sContextID = value; }
        }
    }
}