private void PlayListAlbumImageShowListBox_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
ListBoxItem item = Helper.UIhelper.FindPrent <ListBoxItem>((DependencyObject)e.OriginalSource);
//myCollectionView.MoveCurrentTo(item);
if (item == null)
{
return;
}
UserSongList.ScrollIntoView(item.DataContext);
UserSongList.SelectedItem = item.DataContext;
PlayListBase.PlayListIndex = UserSongList.SelectedIndex + 1;
PlayListBase.PlayAndExceptionPass();
}
private void Page_Loaded(object sender, RoutedEventArgs e)
{
PlayListBase.PlayingChanged += OnPlayingChanged;
UserSongList.ItemsSource = PlayListBase.PlayListSongs;
PlayListAlbumImageShowListBox.ItemsSource = PlayListBase.PlayListSongs;
if (PlayListBase.PlayListTotal <= 0)
{
return;
}
UserSongList.SelectedItem = PlayListBase.PlayListSongs[PlayListBase.PlayListIndex - 1];
UserSongList.ScrollIntoView(UserSongList.SelectedItem);
if (t1 == null)
{
t1 = new Timer(delegate
{ //用于等待项的生成
Dispatcher.Invoke((ThreadStart) delegate
{
SongInfoExpend sinfoEx = PlayListBase.PlayListSongs[PlayListBase.PlayListIndex - 1];
ListBoxItem item = (ListBoxItem)UserSongList.ItemContainerGenerator.ContainerFromItem(sinfoEx);
if (item == null)
{
return;
}
item.ContentTemplate = CurInstance.Resources["PlayListItemSelectedDataTemplate"] as DataTemplate;
if (CurInstance.BeforPlayItem != null)
{
CurInstance.BeforPlayItem.ContentTemplate = CurInstance.Resources["PlayListItemDataTemplate"] as DataTemplate;
}
CurInstance.BeforPlayItem = item;
});
}, null, 500, Timeout.Infinite);
}
else
{
t1.Change(500, Timeout.Infinite);
}
PlayListAlbumImageShowListBox.SelectedItem = PlayListBase.PlayListSongs[PlayListBase.PlayListIndex - 1];
PlayListAlbumImageShowListBox.ScrollViewToCur(PlayListAlbumImageShowListBox.SelectedItem);
// myCollectionView = (CollectionView)CollectionViewSource.GetDefaultView(PlayListAlbumImageShowListBox.ItemsSource);
// myCollectionView.MoveCurrentToFirst();
}
