public PreferencesForm()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            this.buttonOK.Text = Res.Get(StringId.OKButtonText);
            this.buttonCancel.Text = Res.Get(StringId.CancelButton);
            this.buttonApply.Text = Res.Get(StringId.ApplyButton);
            //	Set the title of the form.
            Text = Res.Get(StringId.Options);

            //	Instantiate and initialize the SideBarControl.
            sideBarControl = new SideBarControl();
            sideBarControl.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Bottom;
            sideBarControl.TabStop = true;
            sideBarControl.TabIndex = 0;
            sideBarControl.SelectedIndexChanged += new EventHandler(sideBarControl_SelectedIndexChanged);
            sideBarControl.Location = new Point(10, 10);
            sideBarControl.Size = new Size(151, ClientSize.Height - 20);
            Controls.Add(sideBarControl);

        }
 internal TabSwitcher(SideBarControl control)
 {
     this.control = control;
 }