Windows.UI.Xaml.Controls.ScrollViewer.ScrollToVerticalOffset C# (CSharp) Method

		public extern void ScrollToVerticalOffset([In] double offset);
		public extern void ZoomToFactor([In] float factor);

        /// <summary>
        /// Scroll a ScrollViewer vertically by a given offset.
        /// </summary>
        /// <param name="viewer">The ScrollViewer.</param>
        /// <param name="offset">The vertical offset to scroll.</param>
        private static void ScrollByVerticalOffset(ScrollViewer viewer, double offset)
        {
            Debug.Assert(viewer != null, "viewer should not be null!");

            offset += viewer.VerticalOffset;
            offset = Math.Max(Math.Min(offset, viewer.ExtentHeight), 0);
            viewer.ScrollToVerticalOffset(offset);
        }