Message in Chinese (Simplified) (中文(简体))
DynamicActivity.Properties 集合中已存在名为“<var>X</var>”的属性。
Unlocalized message
A property named '<var>X</var>' already exists in the DynamicActivity.Properties collection.
Search by GoogleDynamicActivity.Properties 集合中已存在名为“<var>X</var>”的属性。
A property named '<var>X</var>' already exists in the DynamicActivity.Properties collection.
Search by Google