Message in Chinese (Simplified) (中文(简体))
该值无法添加到集合中,因为该集合已经包含一个相同类型的项目:“<var>Type Name</var>”。此集合仅支持每种类型的一个实例。
Unlocalized message
The value could not be added to the collection, as the collection already contains an item of the same type: '<var>Type Name</var>'. This collection only supports one instance of each type.
Search by Google