public void TestMethod5()
        {
            Controller controller = new Controller(this);

            CreateNew.Invoke();
            Assert.IsTrue(_setSelectionRan);
        }
        public void TestMethod6()
        {
            _setSelectionRan = false;
            SpreadsheetApplicationContext.GetContext().IsUnitTest = true; // Prevents it from trying to create a Window.
            Controller  controller = new Controller(this);
            Spreadsheet s          = new Spreadsheet();

            controller.ChangeSpreadsheet(s);
            CreateNew.Invoke();

            Assert.IsTrue(_setSelectionRan);
        }
 private void newToolStripMenuItem_Click(object sender, EventArgs e)
 {
     CreateNew?.Invoke();
 }