using libui;
using System;
namespace libuitest1;
class Program
{
    static int32 OnClosing(__IntPtr w, __IntPtr data)
    {
        ui.UiQuit();
        return 1;
    }
    static int Main()
    {
        let err = ui.UiInit(scope .());
        if (err != null) {
            Console.Error.WriteLine("Error initializing libui-ng: {0}", scope String(err));
            ui.UiFreeInitError(err);
            return 1;
        }
        defer ui.UiUninit();
        // Create a new window
        let w = ui.UiNewWindow("Hello World!", 300, 200, 0);
        ui.UiWindowOnClosing(w, scope => OnClosing, null);
        ui.UiControlShow((UiControl)w);
        ui.UiMain();
        return 0;
    }
}