If the value returned is an empty handle, and you do not have a TryCatch in place, your code must bail out.

如果返回值是一个空句柄，并且你没有正确的设置TryCatch，你的代码就会崩溃。

youdao

If the value returned is an empty handle, and you do not have a TryCatch in place, your code must bail out.

如果返回值是一个空句柄，并且你没有正确的设置TryCatch，你的代码就会崩溃。

youdao