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Martín Perilli
195
Show scroll bars when Zooming In
posted

I want to have the scroll bars hidden when the zoom is the default (100%), but when the user zooms in I want the XamDataChart to show the scroll bars. I do not know if there is an event that I can use or if it is a default feature in this control.

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  • 30692
    Verified Answer
    Offline posted

    Yes, you can use the ActualWindowRectChangedEvent:

    https://gist.github.com/gmurray81/0be8af59bc93e515be70

            public MainWindow()
        {
            InitializeComponent();

            chart.ActualWindowRectChanged += chart_ActualWindowRectChanged;
        }

        void chart_ActualWindowRectChanged(object sender, Infragistics.RectChangedEventArgs e)
        {
            if (e.NewRect.Width < 1.0 ||
                e.NewRect.Height < 1.0)
            {
                chart.HorizontalZoombarVisibility = System.Windows.Visibility.Visible;
                chart.VerticalZoombarVisibility = System.Windows.Visibility.Visible;
            }
            else
            {
                chart.HorizontalZoombarVisibility = System.Windows.Visibility.Collapsed;
                chart.VerticalZoombarVisibility = System.Windows.Visibility.Collapsed;
            }
        }

    Hope this helps!

    -Graham

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