void scrollViewer_ScrollChanged_item(object sender, System.Windows.Controls.ScrollChangedEventArgs e)
{
int lastOffset = Convert.ToInt32(Application.Current.Properties["FindUserGridLastScrollOffset"] ?? "0");
if (Convert.ToInt32(e.VerticalOffset) > 0 && Convert.ToInt32(e.VerticalOffset) > lastOffset)
{
Application.Current.Properties["FindUserGridLastScrollOffset"] = e.VerticalOffset;
Application.Current.Properties["FindUserGridCurrentPageIndex"] = Convert.ToInt32(Application.Current.Properties["FindUserGridCurrentPageIndex"] ?? "0") + 1;
DelegateEventBillingPeriod.SetValueMethodPageNumberLineItem(Convert.ToInt32(Application.Current.Properties["FindUserGridCurrentPageIndex"] ?? "0"));
}
}
void scrollViewer_ScrollChanged(object sender, System.Windows.Controls.ScrollChangedEventArgs e)
{
int lastOffset = Convert.ToInt32(Application.Current.Properties["FindUserGridLastScrollOffset"] ?? "0");
var scrollViewer = this.grdBillingList.ChildrenOfType <GridViewScrollViewer>().FirstOrDefault();
if (scrollViewer != null)
{
// Below decides when to get the records
// Implemented the logic that when scrollbar crosses more that half of the total available height
var whenToScroll = scrollViewer.ScrollableHeight / 1.3;
if (Convert.ToInt32(e.VerticalOffset) > 0 && Convert.ToInt32(e.VerticalOffset) > lastOffset && e.VerticalOffset > whenToScroll)
{
Application.Current.Properties["FindUserGridLastScrollOffset"] = e.VerticalOffset;
Application.Current.Properties["FindUserGridCurrentPageIndex"] = Convert.ToInt32(Application.Current.Properties["FindUserGridCurrentPageIndex"] ?? "0") + 1;
DelegateEventBillingPeriod.SetValueMethodPageNumber(Convert.ToInt32(Application.Current.Properties["FindUserGridCurrentPageIndex"] ?? "0"));
}
}
}
