private async void OnPlayItemsListViewDragEnter(object sender, DragEventArgs e)
{
var def = e.GetDeferral();
if (e.DataView.Contains(StandardDataFormats.StorageItems))
{
e.AcceptedOperation = DataPackageOperation.Copy;
}
else if (e.DataView.Contains(StandardDataFormats.Text))
{
if (DragHelper.Contains(await e.DataView.GetTextAsync()))
{
e.AcceptedOperation = DataPackageOperation.Copy;
}
}
def.Complete();
}