Message in Chinese (Simplified) (中文(简体))
扩展集合不支持按索引设置扩展。请使用 Add 或 Remove 方法。
Unlocalized message
The extension collection does not support setting extensions by index. Please use the Add or Remove methods.
Search by Google扩展集合不支持按索引设置扩展。请使用 Add 或 Remove 方法。
The extension collection does not support setting extensions by index. Please use the Add or Remove methods.
Search by Google