public ReadOnlyCollection <string> FindInFiles(string directory, string containsText, bool ignoreCase, Microsoft.VisualBasic.FileIO.SearchOption searchType, string[] fileWildcards)
 {
 }
 public ReadOnlyCollection <string> GetDirectories(string directory, Microsoft.VisualBasic.FileIO.SearchOption searchType, string[] wildcards)
 {
 }