Question

Is there any way to set an event handler without doing it manually in the classname.designer.cs file other than double clicking the UI element?

Answer 1

Click on the lightning bolt icon in the Properties window. Double-click the event you want to implement.

Answer 2

If I follow your question correctly, you can just do it in your code-behind like this:

myButton.Click += myHandler;

Or you could use an anonymous delegate:

myButton.Click += delegate
{
    MessageBox.Show("Clicked!");
};

Answer 3

当然。在初始化过程中某个地方（如窗体的构造函数中），使用myControl.Event += new EventHandler(SomeHandlerMethodInYourClass)。