private void SelectNext()
{
var cnt = LbResult.Items.Count;
if (cnt < 2)
{
return;
}
var idx = LbResult.SelectedIndex;
idx += 1;
if (idx >= cnt)
{
idx = 0;
}
LbResult.SelectedIndex = idx;
LbResult.ScrollIntoView(LbResult.Items[idx]);
}
private void SelectPrev()
{
var cnt = LbResult.Items.Count;
if (cnt < 2)
{
return;
}
var idx = LbResult.SelectedIndex;
idx -= 1;
if (idx < 0)
{
idx = cnt - 1;
}
LbResult.SelectedIndex = idx;
LbResult.ScrollIntoView(LbResult.Items[idx]);
}