Message in Chinese (Traditional) (中文(繁體))![](/img/flags/zh-Hant.png)
無法將來源型別擴展為目標型別,因為來源型別不是基本型別,或者轉換無法完成。
Unlocalized message![](/img/flags/en.png)
Cannot widen from source type to target type either because the source type is a not a primitive type or the conversion cannot be accomplished.
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