void textSurfaceListener_PreviewArrowKeyDown(object sender, Text.TextDomEventArgs e)
{
//update selection in list box
switch (e.key)
{
case UIKeys.Down:
{
if (listView.Visible && listView.SelectedIndex < listView.ItemCount - 1)
{
listView.SelectedIndex++;
listView.EnsureSelectedItemVisible();
e.PreventDefault = true;
}
}
break;
case UIKeys.Up:
{
if (listView.Visible && listView.SelectedIndex > 0)
{
listView.SelectedIndex--;
listView.EnsureSelectedItemVisible();
e.PreventDefault = true;
}
}
break;
}
}
public void EnsureSelectedItemVisible()
{
listView.EnsureSelectedItemVisible();
}
