public PackageUploadViewModel()
        {
            HandlerAssemblies = new ObservableCollection <string>();
            Dependencies      = new ObservableCollection <string>();

            AddHandlerAssemblies = new RelayCommand(o => BrowserDialogs.BrowseForDll(null, true, s =>
            {
                if (String.IsNullOrWhiteSpace(PackageName) && s.Length > 0)
                {
                    PackageName = Path.GetFileNameWithoutExtension(s[0]);
                }
                s.ToList().ForEach(x => AddHandlerAssemblyFile(x));
            }));

            AddDependency = new RelayCommand(o =>
            {
                BrowserDialogs.BrowseForAnyFile(null, true, s => s.ToList().ForEach(x => AddDependencyFile(x)));
            });

            RemoveHandlerAssemblies = new TypedRelayCommand <int>(o => HandlerAssemblies.RemoveAt(o), o => o >= 0);
            RemoveDependency        = new TypedRelayCommand <int>(o => Dependencies.RemoveAt(o), o => o >= 0);
        }