public static int Query(int width, int height, string title, string message, params string [] buttons)
{
var d = new Dialog(width, height, title);
int clicked = -1, count = 0;
foreach (var s in buttons)
{
int n = count++;
var b = new Button(s);
b.Clicked += delegate {
clicked = n;
d.Running = false;
};
d.AddButton(b);
}
if (message != null)
{
var l = new Label((width - 4 - message.Length) / 2, 0, message);
d.Add(l);
}
Terminal.Run(d);
return(clicked);
}