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HTML Help-based 'What's This' for VB

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This sample application demonstrates an accurate method for displaying What's This Help popups from a Visual Basic 6 application. This fixes the problem where the popups appear behind the application with versions of hhctrl.ocx earlier than 4.74.8637*. This technique also works well to display popups from a Visual Basic 5 application, which has no native method for displaying What's This popups from an HTML Help file.

*   4.74.8637 is the version of HTML Help 1.3 hhctrl.ocx that ships with the Internet Explorer 5.5 Platform Preview. The final hhctrl.ocx build is 4.74.8702. Both of these fix the popup problem. Subclassing will still be necessary when using popups with Visual Basic 5 (since VB5 doesn't do HTML Help popups natively), but it will no longer be necessary in order to fix the popup problem with Visual Basic 6.

 

 

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