dotnet delete read-only files

If you delete a read-only file directly through File.Delete, there will be no permission prompt, you can first set the file to not be read-only and then delete the file

 try{File.Delete(file);}catch (UnauthorizedAccessException){File.SetAttributes(file, FileAttributes.Normal);File.Delete(file);}

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The above code is to first try to delete the file, if the deletion fails, then set the file to not read-only, and then try to delete the file

Why do you need to try to delete first? The reason is that if you try to modify a file before deleting it, the performance is not good.

If there is no exception in Try, then the code entering the Try is the same as the code that does not enter the Try