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[Windows platform only]

Is sent if the property EnableHelpRouting is True and the user clicked the Help-Button in the toolbar or pushed the corresponding key (F1 by default).

This is one of the few events where VpeCloseDoc() may be called while processing it.

VPE_HELP

WPARAM wParam

LPARAM lParam

Parameters:

wParam

unused

lParam

contains the document-handle, so you can determine which document has sent the message

Remarks:

Your application should return zero if it processes this message.