private void btnPracticeAdding_Click(object sender, EventArgs e) { CalculateRightAnswer += new CalculateAnswerHandler(this.CalcAddingAnswer); // It creates a mysterious object that holds a reference to a method of an object. // In this example: it holds a reference to the method CalcAddingAnswer of this form. this.label3.Text = "Add"; }
private void btnPracticeMultiplying_Click(object sender, EventArgs e) { CalculateRightAnswer += new CalculateAnswerHandler(this.CalcMultiplyingAnswer); this.label3.Text = "Multiply"; }