public void Initialize(ScrollIntoViewTestControl control)
{
// Setup initial conditions.
control.Width = 300;
control.Height = 350;
scrollViewer = control.scrollViewer;
itemsControl = control.itemsControl;
// Populate collection.
PopulateCollection(10);
// Setup binding.
control.itemsControl.ItemsSource = items;
// Setup the scroll-viewer-monitor.
scrollViewerMonitor = new ScrollViewerMonitor<Placeholder>(scrollViewer);
scrollViewerMonitor.TopElementChanged += delegate { Debug.WriteLine("!! TopElementChanged: " + scrollViewerMonitor.TopElement.Text); };
}
public void Change_Elements_Height(ScrollIntoViewTestControl control)
{
foreach (var item in items)
{
var element = itemsControl.GetElementFromViewModel<Placeholder>(item);
element.Height = RandomData.Random.Next(10, 120);
}
}
public void ScrollIntoView__Last_Item(ScrollIntoViewTestControl control)
{
scrollViewer.ScrollToTop<Placeholder>(items.Last());
}
public void ScrollIntoView__Second_Item(ScrollIntoViewTestControl control)
{
scrollViewer.ScrollToTop<Placeholder>(items.ElementAt(1));
}
public void Toggle_ScrollViewer__Padding(ScrollIntoViewTestControl control)
{
scrollViewer.Padding = scrollViewer.Padding.Left == 0 ? new Thickness(5) : new Thickness(0);
}
public void ScrollViewerMonitor__Refresh(ScrollIntoViewTestControl control)
{
scrollViewerMonitor.Refresh();
}
public void ScrollViewerMonitor__Toggle_IsActive(ScrollIntoViewTestControl control)
{
scrollViewerMonitor.IsActive = !scrollViewerMonitor.IsActive;
Debug.WriteLine("IsActive: " + scrollViewerMonitor.IsActive);
}
