Checking file/folder access permission

Question

I get an UnautorizedAccessException running this code:

string[] fileList = Directory.GetFiles(strDir, strExt);

The exception o

Answer 1

First, call Directory.GetFiles for root directory. Catch UnauthorizedAccessException - if none, you have full access.

If caught - call the function for each subdir recursively, catch the exception, if caught - add such dir to list.

Write a recursive function with external list for forbidden dirs