Super Context Menu Strip

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing;

namespace MENU
{
    public class SuperContextMenuStrip : ContextMenuStrip
    {
        private Control m_contents = null;


        public SuperContextMenuStrip(Control c)
        {
            // the control
            m_contents = c;
            m_contents.Location = Point.Empty;
            
            

            //the host
            ToolStripControlHost host = new ToolStripControlHost(m_contents);
            host.AutoSize = false;
            host.Padding = new Padding(0, 0, 0, 0);
            host.Margin = new Padding(0, 0, 0, 0);


            //the context menu
            this.ShowImageMargin = false;
            this.ShowCheckMargin = false;
            this.Padding = new Padding(0, 0, 0, 0);
            this.Margin = new Padding(0, 0, 0, 0);
            this.BackColor = c.BackColor;


            
            //done!
            this.Items.Add(host);
        }





        protected override bool ProcessDialogKey(Keys keyData)
        {
            //prevent alt from closing it and allow alt+menumonic to work
            if ((keyData & Keys.Alt) == Keys.Alt)
                return false;

            // solve the tab problem
            if (Keys.Tab == keyData)
            {
                Control lastControl = null;
                foreach (Control c in m_contents.Controls)
                {
                    if (c.Focused)
                        lastControl = c;
                }

                m_contents.SelectNextControl(lastControl, true, true, true, true);
            }


            if ((keyData & Keys.Shift) == Keys.Shift)
                if ((keyData & Keys.Tab) == Keys.Tab)
                {
                    Control firstControl = null;
                    foreach (Control c in m_contents.Controls)
                    {
                        if (c.Focused)
                            firstControl = c;
                    }

                    m_contents.SelectNextControl(firstControl, false, true, true, true);
                }

            return base.ProcessDialogKey(keyData);
        }


        //set the focus to it, so the user will start using it.
        protected override void OnOpened(EventArgs e)
        {
            m_contents.Focus();

            base.OnOpened(e);
        }



        //fade it while displaying it
        private bool m_fade = true;
        private const int frames = 5;
        private const int totalduration = 200;
        private const int frameduration = totalduration / frames;
        protected override void SetVisibleCore(bool visible)
        {
            double opacity = Opacity;
            if (visible && m_fade) Opacity = 0;
            base.SetVisibleCore(visible);
            if (!visible || !m_fade) return;
            for (int i = 1; i <= frames; i++)
            {
                if (i > 1)
                {
                    System.Threading.Thread.Sleep(frameduration);
                }
                Opacity = opacity * (double)i / (double)frames;
            }
            Opacity = opacity;
        }







    
    }
}