Declare Function WinHelp Lib "user32" Alias "WinHelpA" (ByVal hwnd As Long, ByVal lpHelpFile As String, ByVal wCommand As Long, ByVal dwData As Long) As Long
' Useful WinHelp() Constants
Global Const HELP_CONTEXT = &H1 ' Display topic identified by number in Data
Global Const HELP_QUIT = &H2 ' Terminate help
Global Const HELP_INDEX = &H3 ' Display index
Global Const HELP_HELPONHELP = &H4 ' Display help on using help
Global Const HELP_SETINDEX = &H5 ' Set an alternate Index for help file with more than one index
Global Const HELP_KEY = &H101 ' Display topic for keyword in Data
Global Const HELP_MULTIKEY = &H201 ' Lookup keyword in alternate table and display topic