我有一个运行良好的下载器,但有时用户的反病毒/防火墙阻塞其文件写入访问和(或)下载。有办法检测到吗?
What is the use of default keyword in C#? Is it introduced in C# 3.0 ?
我有一个运行良好的下载器,但有时用户的反病毒/防火墙阻塞其文件写入访问和(或)下载。有办法检测到吗?
Since you re using C# use a try/catch block and catch the UnauthorizedAccessException.
That s the cleanest and most standard way of handling it.
Note: this won t tell you if the AV caught it, and neither should you check: that s the problem of the user and their AV.
If your program was denied access to some of the user s resource and you believe you had a legitimate reason to access that resource, inform the user with a nice text boxt and let them sort it out with their AV. You can for example suggest that your downloader be in the AV s trusted program list.
What is the use of default keyword in C#? Is it introduced in C# 3.0 ?
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