void label_IsPressedChanged(object sender, EventArgs e)
        {
            TabLabel label = (TabLabel)sender;

            if (label.IsPressed == true)
            {
                PageData pageData = (PageData)label.Tag;

                pageData.Page.Visible = true;

                // The StorageDatabaseManager UserControl does not fire the TabPag_Paint event in some cases
                // When maximizing the CSStorageServerManager.exe, and then clicking the Database Manager tab, the database manager is clipped to the previous smaller size.
                // Calling the TabPage_Paint event clips tothe proper size
                // The purpose of the TabPage_Paint event is to draw the control (i.e Control Panel, Event Log, etc.) with rounded corners.
                StorageDatabaseManager s = pageData.Page as StorageDatabaseManager;
                if (s != null)
                {
                    TabPage_Paint(s, null);
                }

                if (null != __SelectedLabel)
                {
                    __SelectedLabel.IsPressed = false;
                }

                if (null != SelectedPage)
                {
                    SelectedPage.Page.Visible = false;
                }

                __SelectedLabel = label;
                SelectedPage    = pageData;
            }
        }
        private void AddTabButton(PageData pageData)
        {
            TabLabel label = new TabLabel( );

            label.Size      = new Size(PagesLocation.X - 9, 50);
            label.Location  = new Point(10, 20 + (60 * Pages.IndexOf(pageData)));
            label.Text      = pageData.Text;
            label.Tag       = pageData;
            label.BackColor = Color.Red;
            label.TextAlign = ContentAlignment.MiddleCenter;
            label.Anchor    = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
            label.Cursor    = Cursors.Hand;

            Rectangle r = label.ClientRectangle;

            System.Drawing.Drawing2D.GraphicsPath path = RoundRectangle(r, 8 /*this.CornerRadius*/, Corners.BottomLeft | Corners.TopLeft);


            label.Region = new Region(path);

            label.IsPressedChanged += new EventHandler(label_IsPressedChanged);

            if (_labels.Count == 0)
            {
                label.IsPressed = true;
            }

            LeftPanel.Controls.Add(label);

            _labels.Add(label);
        }