protected List <BoxItem> GetBoxItems(string parentId, bool?folder = null)
{
var boxFolderId = MakeBoxId(parentId);
var items = ProviderInfo.GetBoxItems(boxFolderId);
if (folder.HasValue)
{
if (folder.Value)
{
return(items.Where(i => i is BoxFolder).ToList());
}
return(items.Where(i => i is BoxFile).ToList());
}
return(items);
}