上面这个不匹配的捕获也存在类似问题：它捕获了所有错误，但仅仅只报告了“打开文件时出现错误(error in opening)”。

The mismatched catch above is similar: it catches all errors, but it reports only that there was an error in "opening." it's better to write this.

youdao

当尝试打开“打开文件”对话框中的某个文件，或右击解决方案资源管理器中的某个文件来打开它时，出现此错误。

This error arises when you have attempted to open a file in the Open File dialog box or by right-clicking a file in Solution Explorer.

youdao