Specifies whether the What's This button appears in a form's title bar. Read-only at run time.
Form.WhatsThisButton[ = lExpr]
One of the following:
Turns display of the What's This button on.
(Default) Turns display of the What's This button off.
Applies To: Form
The What's This button is not displayed in the form's title bar if the WhatsThisButton property is set to true (.T.) and any of the following are true:
The form's WhatsThisHelp property is set to false (.F).
The form's BorderStyle property is set to 0 (None).
The form's MinButton property is set to true (.T.).
The form's MaxButton property is set to true (.T.).