Passing a value to another class?

Question

C++ / C#

Hello, there are 2 forms. In the first (main) a request is made to the database and from there I get the value of int. Next, the second form is launched. How to pass an int value from the first form to the second?

Answer 1

A message, an event, a second form method call from the first form, or even in the second form's constructor.