public ImportModules() { // TODO: WORK PATH BELOW rootPath = @"D:\OOP\OOP\Lab1\PictureDraw\Modules"; modules = new List <Assembly>(); var directory = new DirectoryInfo(rootPath); foreach (var file in directory.GetFiles("*.dll")) { try { if (RSACrypt.VerifySignedHash(File.ReadAllBytes(file.FullName), File.ReadAllText(@"G:\public.xml"))) { modules.Add(Assembly.LoadFrom(file.FullName)); } } catch { MessageBox.Show($@"Sorry, but {rootPath}\{file} was damaged. Please, fix or remove it.", "Load error", MessageBoxButton.OK, MessageBoxImage.Error); } } }