Home > Uncategorized > Create cross platform #GUI using #GTK

Create cross platform #GUI using #GTK

Screenshot 2018-11-25 at 13.19.03

To skip to the code example, here it is on GitHub;


GTK# is an option that is available under Visual Studio for Mac under Other > .NET > GTK# 2.0, and it allows you to create windows-forms like GUIs that work cross platform, using the .NET Core framework. Above is a simple application that shows the user’s current IP address.

using System;
using System.Net;
using Gtk;

public partial class MainWindow : Gtk.Window
    public MainWindow() : base(Gtk.WindowType.Toplevel)

        WebClient wc = new WebClient();
        var strIP = wc.DownloadString(http://icanhazip.com”);
        label2.Text = strIP;


    protected void OnDeleteEvent(object sender, DeleteEventArgs a)
        a.RetVal = true;

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