/// <summary>
        /// Gets the NotifyIcon rectangle
        /// </summary>
        /// <param name="handle">Handle of the NotifyIcon</param>
        /// <returns></returns>
        private bool GetNotifyIconScreenRect(IntPtr handle)
        {
            WINAPI.RECT loNotifyIconRecr = new WINAPI.RECT();

            if (handle == IntPtr.Zero)
            {
                return false;
            }

            // Find tray window
            IntPtr hWndTray = WINAPI.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Shell_TrayWnd", 0);
            if (hWndTray == IntPtr.Zero)
                return false;

            // Find SysTray toolbar
            WINAPI.EnumChildWindowsCallback callback = new WINAPI.EnumChildWindowsCallback(EnumChildWindowsFunc);
            WINAPI.EnumChildWindows(hWndTray, callback, 0);
            if (!mFound)
                return false;
            mFound = false;

            hWndTray = mHWndNotify;

            // Get a NotifyIcon rectangle and a tip position
            if (WINAPI.GetWindowRect(handle, ref loNotifyIconRecr) == 0)
                return false;

            if (WINAPI.MapWindowPoints(hWndTray, IntPtr.Zero, ref loNotifyIconRecr, 2) == 0)
                return false;

            // Here we should analyze where SysTray happens to be - up, left, right or bottom
            moPosition.X = loNotifyIconRecr.left;
            moPosition.Y = loNotifyIconRecr.top;

            return true;
        }
        /// <summary>
        /// Tooltip window proc
        /// </summary>
        /// <param name="hWnd"></param>
        /// <param name="iMsg"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        protected int WindowProc(IntPtr hWnd, UInt32 iMsg, IntPtr wParam, IntPtr lParam)
        {
            int height = 0;
            int width = 0;

            IntPtr nativeProc = WINAPI.GetProp(hWnd, "NATIVEPROC");

            if (iMsg == WINAPI.WM_PAINT)
            {
                // Drow the original tooltip
                int liWinProcResult = WINAPI.CallWindowProc(nativeProc, hWnd, iMsg, wParam, lParam);

                WINAPI.TOOLINFO ti = new WINAPI.TOOLINFO();
                ti.cbSize = Marshal.SizeOf(ti.GetType());
                ti.hwnd = GetHandler(moNotifyIcon);

                if (ti.hwnd != IntPtr.Zero)
                {
                    // Create graphics object for the tooltip
                    Graphics loGraphics = Graphics.FromHwnd(hWnd);

                    WINAPI.RECT rect = new WINAPI.RECT();
                    WINAPI.RECT rect1 = new WINAPI.RECT();

                    WINAPI.GetWindowRect(hWnd, ref rect);

                    // In rect1 - tooltip rectangle
                    // Calculate text display rectangle to rect
                    rect1 = rect;
                    WINAPI.SendMessage(hWnd, WINAPI.TTM_ADJUSTRECT, 0, out rect);

                    // Width and heigth of the text area
                    width = rect.right - rect.left;
                    height = rect.bottom - rect.top;

                    //Calculate iner rectangle of the text area
                    rect.left = rect.left - rect1.left;
                    rect.top = rect.top - rect1.top;
                    rect.right = rect.left + width;
                    rect.bottom = rect.top + height;

                    //Clear text area: 16 pixs - header, 30 pixs from bottom
                    loGraphics.FillRectangle(new SolidBrush(Color.LightYellow), new Rectangle(rect.left, rect.top + 16, width, height-30));

                    //Add close button and click handler
                    // 16 pixs for the button control
                    moCloseButton.Location = new System.Drawing.Point(rect.right - 16, rect.top);
                    moCloseButton.AutoSize = false;
                    moCloseButton.Click += CloseButtonClick;

                    WINAPI.SetParent(moCloseButton.Handle, hWnd);

                    //Adding panel to the tooltip below the header
                    moPanel.Location = new Point(rect.left, rect.top + 16);
                    WINAPI.SetParent(moPanel.Handle, hWnd);

                    loGraphics = null;

                }

                return liWinProcResult;
            }


            return WINAPI.CallWindowProc(nativeProc, hWnd, iMsg, wParam, lParam);
        }