public static List <CollectionListItem> GetSubCategoryList(int id, bool forceRefresh = false)
{
if (SubCategories.ContainsKey(id) && !forceRefresh)
{
return(SubCategories[id]);
}
WallpaperResponse response = Get(buildUrl(LookupMethods.sub_category_list, InfoLevels.Basic, 1, 0, 0, SizeOperators.Equal, id));
if (response == null)
{
LastResult = "An unknown error has occured!";
}
else if (response.SubCategories == null)
{
LastResult = response.ErrorMessage;
}
else
{
if (SubCategories.ContainsKey(id))
{
SubCategories[id] = new List <CollectionListItem>(response.SubCategories);
}
else
{
SubCategories.Add(id, new List <CollectionListItem>(response.SubCategories));
}
return(SubCategories[id]);
}
return(new List <CollectionListItem>());
}