PxHelpTopic -- opens the helpviewer to a topic page.
PxHelpTopic (topic)
A string containing the path to a help file under the current PxHelpTopicRoot.
This function always returns t.
This function opens the helpviewer, if not already open, to the specified topic page.
Gamma> PxHelpTopic("/Gamma/Photon in Gamma/Structures"); t <The Structures helpviewer page is displayed.>
PxHelpQuit, PxHelpTopicRoot, PxHelpTopicTree, PxHelpUrl, PxHelpUrlRoot
and in Photon documentation: PxHelpTopic.