Create a help button in the upper right corner of a Windows form

Question

I would like to know how to create this "?" in Visual Studio. I’m not sure where to find him, and what he called.

Picture:

Can someone put me in the right direction?

Answer 1

It is called HelpButton , it will be visible after installation:

• Form.HelpButton to true
• MaximizeBox to false and
• MinimizeBox to false .

When this button is clicked, it raises the Form.HelpButtonClicked event.

Edit: In WPF see here