A .NET Windows form can have a help button on the title bar when the HelpButton property is set to true (and you are not displaying minimize/maximize buttons). When this help button is clicked, the form goes into a help mode where the cursor changes and clicking elsewhere in the form does not have the usual effect. Instead a click induces the HelpRequested event on the clicked control. Great, except that I need the help button AND the minimize/maximize buttons. So I have created my own help button in the client area of my form. When it is clicked, how can I place the form in help mode?
C# – How to place a form in help-requested mode
ceventsnetwinforms
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Best Answer
Found it.