private void Select_Reverse_MenuFlyoutItem_Click(object sender, RoutedEventArgs e)
{
var selectedRanges = Lyrics_ListView.SelectedRanges.ToList();
Lyrics_ListView.SelectAll();
foreach (ItemIndexRange range in selectedRanges)
{
Lyrics_ListView.DeselectRange(range);
}
}
private void Select_BeforeItem_MenuFlyoutItem_Click(object sender, RoutedEventArgs e)
{
int selectedIndex = Lyrics_ListView.SelectedIndex;
if (selectedIndex != -1)
{
Lyrics_ListView.SelectedIndex = -1;
Lyrics_ListView.SelectRange(new ItemIndexRange(0, (uint)(selectedIndex + 1)));
}
else
{
Lyrics_ListView.SelectAll();
}
}
private void Select_AfterItem_MenuFlyoutItem_Click(object sender, RoutedEventArgs e)
{
if (Lyrics_ListView.SelectedIndex == -1)
{
Lyrics_ListView.SelectAll();
return;
}
int itemsCount = Lyrics_ListView.Items.Count;
int selectIndex = Lyrics_ListView.SelectedIndex;
uint selectCount = (uint)(itemsCount - selectIndex);
Lyrics_ListView.SelectedItem = null;
Lyrics_ListView.SelectRange(new ItemIndexRange(selectIndex, selectCount));
}
