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a guest Aug 10th, 2018 61 Never
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  1. Using Directory.Exists on a network folder when the network is down
  2. bool pathExists = Directory.Exists(path);
  3.    
  4. Func<bool> func = () => Directory.Exists(path);
  5. Task<bool> task = new Task<bool>(func);
  6. task.Start();
  7. if (task.Wait(100)) {
  8.   return task.Value;
  9. } else {
  10.   // Didn't get an answer back in time be pessimistic and assume it didn't exist
  11.   return false;
  12. }
  13.    
  14. public static  bool DirectoryExists(string path)
  15.     {
  16.  
  17.       try
  18.       {  
  19.         if(System.IO.Directory.GetDirectories(path).Length>0)
  20.         return true;
  21.       }
  22.       catch(Exception exp)
  23.       {
  24.       }
  25.       return false;    }
  26.    
  27. [DllImport("WININET", CharSet = CharSet.Auto)]
  28.     static extern bool InternetGetConnectedState(ref int lpdwFlags, int dwReserved);
  29.  
  30.     public static bool Connected
  31.     {
  32.         get
  33.         {
  34.             int flags = 0;
  35.             return InternetGetConnectedState(ref flags, 0);
  36.         }
  37.     }
  38.    
  39. public static bool FolderExists(string directory)
  40.     {
  41.         if (new Uri(directory, UriKind.Absolute).IsUnc && !Connected)
  42.             return false;
  43.         return System.IO.Directory.Exists(directory);
  44.     }
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