public static bool ForScrollChanged(Scroller scroller, ScrollProperty scrollProperty)
{
Log.Comment("Wait.ForScrollChanged call for {0}.", scrollProperty.ToString());
using (UIEventWaiter scrollChangedWaiter =
(scrollProperty == ScrollProperty.HorizontallyScrollable || scrollProperty == ScrollProperty.VerticallyScrollable) ?
scroller.GetScrollChangedWaiter(scrollProperty, null) :
scroller.GetScrollChangedWaiter(scrollProperty, double.NaN))
{
if (!scrollChangedWaiter.TryWait(TimeSpan.FromSeconds(5)))
{
Log.Comment("Timeout expired.");
return(false);
}
}
return(true);
}
public static void Scroll(Scroller scroller, ScrollAmount horizontalAmount, ScrollAmount verticalAmount)
{
Verify.IsNotNull(scroller);
Verify.AreNotEqual(horizontalAmount, ScrollAmount.NoAmount);
Verify.AreNotEqual(verticalAmount, ScrollAmount.NoAmount);
Log.Comment("ScrollHelper.Scroll scroller={0}, horizontalAmount={1}, verticalAmount={2}, before-horizontal-offset={3}, before-vertical-offset={4}.",
string.IsNullOrWhiteSpace(scroller.AutomationId) ? scroller.Name : scroller.AutomationId,
horizontalAmount,
verticalAmount,
scroller.HorizontalScrollPercent,
scroller.VerticalScrollPercent);
scroller.Scroll(horizontalAmount, verticalAmount);
Wait.ForScrollChanged(scroller, ScrollProperty.HorizontalScrollPercent);
Log.Comment("ScrollHelper.Scroll after-horizontal-offset={0}, after-vertical-offset={1}.",
scroller.HorizontalScrollPercent,
scroller.VerticalScrollPercent);
}
