public bool HasAccessToDirectory(string directory)
{
if (_directoryAccessDictionary.ContainsKey(directory))
{
return(_directoryAccessDictionary[directory]);
}
string volume = GeneralConverters.GetVolumeLabelFromPath(directory);
var drives = DriveInfo.GetDrives().ToList();
if (drives.Any(d => d.IsReady && d.Name.Equals(volume, StringComparison.CurrentCultureIgnoreCase)))
{
try
{
var directoryInfo = new DirectoryInfo(directory);
directoryInfo.EnumerateFiles();
_directoryAccessDictionary.Add(directory, true);
return(true);
}
catch (Exception)
{
// ignored
}
}
_directoryAccessDictionary.Add(directory, false);
return(false);
}