Basic C# Windows Form Tutorials - 1 - Messagebox

In this tutorial you can learn how to create a windows form and create a simple message box.

MessageBox Class

Displays a message window, also known as a dialog box, which presents a message to the user. It is a modal window, blocking other actions in the application until the user closes it. A MessageBox can contain text, buttons, and symbols that inform and instruct the user. (Microsoft)