[Solved] How does addition assignment operator behave

It adds an event handler to the event Click. When Click event is raised all the handlers method added to it are called. For example: void BtnClickHandler1(object sender, EventArgs e) { MessageBox.Show(“BtnClickHandler1”); } void BtnClickHandler2(object sender, EventArgs e) { MessageBox.Show(“BtnClickHandler2”); } And you add these methods to Click event like this: btn.Click += BtnClickHandler1 btn.Click … Read more