private static void OnCommandParamChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
ScrollViewerDetectEnd listview = o as ScrollViewerDetectEnd;
if (listview == null)
{
return;
}
if (listview._ListviewScrollChangedHandler != null)
{
listview.AddHandler(ScrollViewer.ScrollChangedEvent, listview._ListviewScrollChangedHandler);
}
listview.RaiseCommandParamChanged(e);
}
private static void HandleScrollChanged(object sender, ScrollChangedEventArgs e)
{
ScrollBar sb = e.OriginalSource as ScrollBar;
ScrollViewerDetectEnd listview = sender as ScrollViewerDetectEnd;
if (sb.Orientation == Orientation.Horizontal)
{
return;
}
if (sb.Value == sb.Maximum && listview.CommandParameter != null)
{
if (listview.Command.CanExecute(listview.CommandParameter))
{
listview.Command.Execute(listview.CommandParameter);
}
}
}