How to create and handle an event in Windows Forms C++?

Question

visual studio

There is a form and one button called "button1".
I want a MessageBox to pop up when pressed, how can I implement this?

Answer 1

automatically added to MyForm.h

private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
  }

What's next?

Farther

System::Windows::Forms::MessageBox::Show("FooBar");

in the body of the method.