protected override void OnButtonDown(Microsoft.SPOT.Input.ButtonEventArgs e)
{
if (e.Button == Button.VK_DOWN && _selectedIndex < Items.Count - 1)
{
int newIndex = _selectedIndex + 1;
while (newIndex < Items.Count && !Items[newIndex].IsSelectable)
{
newIndex++;
}
if (newIndex < Items.Count)
{
SelectedIndex = newIndex;
ScrollIntoView(SelectedItem);
e.Handled = true;
}
}
else if (e.Button == Button.VK_UP && _selectedIndex > 0)
{
int newIndex = _selectedIndex - 1;
while (newIndex >= 0 && !Items[newIndex].IsSelectable)
{
newIndex--;
}
if (newIndex >= 0)
{
SelectedIndex = newIndex;
ScrollIntoView(SelectedItem);
e.Handled = true;
}
}
}
protected override void OnButtonDown(Microsoft.SPOT.Input.ButtonEventArgs e)
{
if (e.Button == Button.VK_UP || e.Button == Button.VK_DOWN)
{
bool isUp = (e.Button == Button.VK_UP);
switch (_scrollingStyle)
{
case ScrollingStyle.PageByPage:
e.Handled = PageScroll(isUp);
break;
case ScrollingStyle.LineByLine:
e.Handled = LineScroll(isUp);
break;
default:
Debug.Assert(false, "Unknown ScrollingStyle");
break;
}
}
}
