MathManForm.cs

using System.Windows.Forms;
using TrivialBehind;

namespace MathManDesign
{
    public partial class MathManForm: Form
    {
        public MathManForm()
        {
            InitializeComponent();
            // boilerplate starts
            var disposer = TrivialBehinds.CreateBehind(this, new MathManUi
            {
                button1 = button1,
                label1 = label1
            });
            this.FormClosed += (o,e) => 
                disposer.Dispose();
            // boilerplate ends

        }
    }
}