public static void Lock(string filename, string pw)
{
var devices = new UsbDeviceCollection();
File.WriteAllText(devices[0].RootDirectory + filename, Key.From(pw));
new FileInfo(devices[0].RootDirectory + filename)
{
Attributes = FileAttributes.Hidden
};
}
public static bool HasLock(string filename)
{
var devices = new UsbDeviceCollection();
return(devices.Select(device => Directory.GetFiles(device.RootDirectory.ToString()).ToList().Contains(filename)).FirstOrDefault());
}