private ItemsRepeater SetupRepeater(CustomItemsSource dataSource, ElementFactory elementFactory, ref ScrollViewer scrollViewer, VirtualizingLayout layout)
{
var repeater = new ItemsRepeater()
{
ItemsSource = dataSource,
ItemTemplate = elementFactory,
Layout = layout,
VerticalCacheLength = 0,
HorizontalCacheLength = 0
};
scrollViewer = new ScrollViewer
{
Content = repeater
};
Content = new ItemsRepeaterScrollHost()
{
Width = 200,
Height = 200,
ScrollViewer = scrollViewer
};
Content.UpdateLayout();
if (dataSource.Count > 0)
{
int realized = VerifyRealizedRange(repeater, dataSource);
Verify.IsGreaterThan(realized, 0);
}
return(repeater);
}
private ItemsRepeater SetupRepeater(CustomItemsSource dataSource, ElementFactory elementFactory = null)
{
ScrollViewer sv = null;
return(SetupRepeater(dataSource, elementFactory, ref sv, new StackLayout()));
}
