public ImportKeyViewModel(IDiscogsAuthentificationProvider iIWebServicesSettings, IInfraDependencies idp) : base(iIWebServicesSettings, idp) { Directory = idp.File.DocumentFolder; _FileTools = _Infra.File; Commit = this.Register(RelayCommand.Instanciate(() => DoCommit(), () => _FileTools.FileExists(FilePath))); FileExtension = _FileTools.GetFileFilter(_FileTools.KeysFileExtesion,"key files"); }