Intuitive super-fast prototyping with skills you already have.
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JOP.universal - Just Objects Prototype for Windows Universal Platform

Intuitive super-fast prototyping with skills you already have. Create only your domain objects and get a prototype shell for free.

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How To Use

Just create a new Blank App (Universal Windows) and add POCO classes that implement your domain, like in the example below.

public enum Aktenstatus { Potenziell, Angenommen, Abgelehnt }

[JOP.Icon(Symbol.Folder), JOP.Title("Akten")]
public class Akte
	public string Name { get; set; }
	public Aktenstatus Status { get; set; }
	public Kunde Mandant { get; set; }
	public DateTime Datum { get; set; }

	public string Bemerkungen { get; set; }

	public Dokument Rechnug_Schreiben(string inhalt)
		return new Dokument { Adressat = Mandant, Inhalt = inhalt };

	public static void Neu(ObservableCollection<Akte> akten)
		akten.Add(new Akte { Name = "Neue Akte " + (akten.Count + 1), Datum = DateTime.Now });

	public void Löschen(ObservableCollection<Akte> akten)

[JOP.Icon(Symbol.Contact), JOP.Title("Kunden")]
public class Kunde
	public string Vorname { get; set; }
	public string Nachname { get; set; }

	public override string ToString()
		return (Vorname + " " + Nachname).Trim();

	public async Task<Kunde> Say_Hello(string vorname, string nachname)
		await new MessageDialog("Hello " + name).ShowAsync();
		return new Kunde { Vorname = vorname, Nachname = nachname };

public class Dokument
	public Kunde Adressat { get; set; }
	public string Inhalt { get; set; }

	public void Löschen(ObservableCollection<Dokument> dokumente)

Now that you modelled your prototype domain, "Install-Package JOP.universal" and show the prototype UI using a fluent and natural language like API in the App.xaml.cs.OnLaunched method.

protected override void OnLaunched(LaunchActivatedEventArgs e)
	var objects = new ObservableCollection<object>
		new Kunde { Vorname = "Manuel", Nachname = "Naujoks"},

		new Akte { Name = "Erstes Projekt", Datum = DateTime.Now },
		new Akte { Name = "Große Akte" },
		new Akte { Name = "Sonstiges" },


This gets you an UI like in the screenshot below, where you can 'play' with your object model by creating and deleting instances and invoke methods of your types. Icons, titles and custom view elements can be added by attributing your classes. Screenshot

Happy prototyping!