ButtonHotTrackAppearance Property

using Infragistics.Win;
using Infragistics.Win.Misc;
using System.Diagnostics;

    private void button2_Click(object sender, EventArgs e)
    {
        //  Make sure there are no desktop alert windows currently
        //  open before proceeding
        if ( this.desktopAlert.HasOpenWindows )
            return;

        //  Set the Opacity property to 90% opacity, to make the
        //  desktop alert window a little more noticable than it is with
        //  the default (80% opacity).
        this.desktopAlert.Opacity = .9f;

        //  Use the animation related properties to make the desktop alert
        //  window appear to fade into view, as well as scroll from the left
        //  edge of the screen towards the right. Use an animation speed of
        //  medium so the scrolling does not appear sluggish.
        this.desktopAlert.AnimationSpeed = AnimationSpeed.Medium;
        this.desktopAlert.AnimationStyleShow = AnimationStyle.FadeAndScroll;
        this.desktopAlert.AnimationStyleAutoClose = AnimationStyle.FadeAndScroll;
        this.desktopAlert.AnimationScrollDirectionShow = AnimationScrollDirection.LeftToRight;
        this.desktopAlert.AnimationScrollDirectionAutoClose = AnimationScrollDirection.RightToLeft;
        
        //  Disallow moving the desktop alert window, and prevent
        //  multiple alerts from appearing.
        this.desktopAlert.AllowMove = DefaultableBoolean.False;
        this.desktopAlert.MultipleWindowDisplayStyle = MultipleWindowDisplayStyle.None;

        //  Set AutoClose to true, and set AutoCloseDelay to a relatively
        //  high value so that the end user has enough time to notice the alert.
        this.desktopAlert.AutoClose = DefaultableBoolean.True;
        this.desktopAlert.AutoCloseDelay = 30000;

        //  Make the main image appear a bit larger than the default size,
        //  and the button images appear smaller.
        this.desktopAlert.ImageSize = new Size( 48, 48 );
        this.desktopAlert.ButtonImageSize = new Size( 12, 12 );

        //  Use the button appearances and the ButtonStyle property to
        //  change the visual appearance of the buttons.
        this.desktopAlert.ButtonStyle = UIElementButtonStyle.PopupSoftBorderless;

        Office2007ColorTable office2007Colors = Office2007ColorTable.Colors;
        Infragistics.Win.Appearance normalButtonAppearance = new Infragistics.Win.Appearance();
        normalButtonAppearance.BackColor = office2007Colors.ToolbarGradientLight;
        normalButtonAppearance.BackColor2 = office2007Colors.ToolbarGradientDark;
        normalButtonAppearance.BackGradientStyle = GradientStyle.GlassTop37Bright;

        //  Note that the ForeColor of the button appearances is used to render
        //  the dropdown button's arrow indicator and the close button's "x".
        normalButtonAppearance.ForeColor = office2007Colors.ToolbarUnderline;

        Infragistics.Win.Appearance hotTrackButtonAppearance = new Infragistics.Win.Appearance();
        hotTrackButtonAppearance.BackColor = office2007Colors.HighlightPressedGradientLight;
        hotTrackButtonAppearance.BackColor2 = office2007Colors.HighlightPressedGradientDark;
        hotTrackButtonAppearance.BackGradientStyle = GradientStyle.GlassBottom37Bright;

        Infragistics.Win.Appearance pressedButtonAppearance = new Infragistics.Win.Appearance();
        pressedButtonAppearance.BackColor = office2007Colors.HighlightPressedGradientDark;
        pressedButtonAppearance.BackColor2 = office2007Colors.HighlightPressedGradientLight;
        pressedButtonAppearance.BackGradientStyle = GradientStyle.GlassTop37Bright;

        this.desktopAlert.ButtonAppearance = normalButtonAppearance;
        this.desktopAlert.ButtonHotTrackAppearance = hotTrackButtonAppearance;
        this.desktopAlert.ButtonPressedAppearance = pressedButtonAppearance;

        //  Make the dropdown button visible, and hook the DropDownButtonClicked
        //  event so we can handle clicks on the button. Also, handle the
        //  DesktopAlertClosing event so we can keep the window open when the
        //  ContextMenu is visible
        this.desktopAlert.DropDownButtonVisible = DefaultableBoolean.True;
        this.desktopAlert.DropDownButtonClicked += new DropDownButtonClickedHandler(this.OnDropDownButtonClicked);
        this.desktopAlert.DesktopAlertClosing += new DesktopAlertClosingHandler(this.OnDesktopAlertClosing);

        //  Create a ContextMenu which we will display when the dropdown
        //  button is clicked.
        EventHandler clickHandler = new EventHandler( this.OnMenuItemClick );
        this.contextMenu.MenuItems.Add( new MenuItem( "Cut", clickHandler ) );
        this.contextMenu.MenuItems.Add( new MenuItem( "Copy", clickHandler ) );
        this.contextMenu.MenuItems.Add( new MenuItem( "Paste", clickHandler ) );

        //  Add some alert buttons, which appear alongside the bottom edge
        //  of the desktop alert window. Hook the AlertButtonClicked event
        //  so we can handle clicks on the buttons.
        UltraDesktopAlertButton closeButton = this.desktopAlert.AlertButtons.Add( "close" );
        closeButton.Appearance.Image = new Icon( @"C:\Icons\Close.ico" ).ToBitmap();
        closeButton.ToolTipText = "Close the application";

        UltraDesktopAlertButton viewButton = this.desktopAlert.AlertButtons.Add( "view" );
        viewButton.Appearance.Image = new Icon( @"C:\Icons\View.ico" ).ToBitmap();
        viewButton.ToolTipText = "Refresh the view";

        this.desktopAlert.AlertButtonClicked += new AlertButtonClickedHandler(this.OnAlertButtonClicked);
    }