private void Window_Closing(object sender, CancelEventArgs e)
{
((Window)sender).Closing -= Window_Closing;
UpdateViewModelBase viewModel = (UpdateViewModelBase)this.DataContext;
PropertyChangedEventManager.RemoveHandler(viewModel, this.ViewModel_DialogResultChanged, nameof(viewModel.DialogResult));
}
protected UpdateViewModelBase(IReadOnlyCollection <IReleaseInfo> releases)
{
this.Document = UpdateViewModelBase.CreateDocument(this.Releases = releases);
this.CancelCommand = new DelegateCommand(this.Cancel);
this.DownloadCommand = new DelegateCommand(this.Download, () => !this.BytesTransferred.HasValue);
}