MCSD.NET - 70-316 Exam Interview Question:

Tell me You work as software developer at XYZ inc. You need to develop a Windows form that provides
online help for users. You want the help functionality to be available when users press the F1 key.
Help text will be displayed in a pop-up window for the text box that has focus.
To implement this functionality, you need to call a method of the HelpProvider control and pass
the text box and the help text.
What should you do?
A. SetShowHelp
B. SetHelpString
C. SetHelpKeyword
D. ToString