public static void AddManagedObject(ITextureManaged toAdd) { if (_textureManagedObjects == null) { _textureManagedObjects = new Dictionary<string, ITextureManaged>(); } if (!_textureManagedObjects.ContainsKey(toAdd.ID)) { _textureManagedObjects.Add(toAdd.ID, toAdd); } else { _textureManagedObjects[toAdd.ID] = toAdd; } }