Called by the framework to initiate the WinHelp application or context help.
virtual void WinHelp(
UINT nCmd = HELP_CONTEXT
Specifies data as required for the type of help specified by nCmd.
Specifies the type of help requested. For a list of possible values and how they affect the dwData parameter, see the WinHelp Function in the Windows SDK.
This method overrides CWnd::WinHelp.