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Opening Help

Posted on 1999-01-10
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Last Modified: 2010-05-03
I have made my own help file to go along with a program I am working on. How do I open the help file, "The Command" such as when I hit the "F1" key and it opens. Or you go to help on a menue bar and scroll to "Help Contents", know what I mean?
Thanks
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Question by:Bigway
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Expert Comment

by:VBDesigns
ID: 1455198
Here's an example that opens the helplesson to a specific context location.  You can also cause it to start up at the contents, or cause a context to pop up in as 'pop-up' window.

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

Public Const HELP_CONTENTS = &H3        ' Display Help for a particular topic
Public Const HELP_CONTEXT = &H1         ' Display topic in ulTopic
Public Const HELP_CONTEXTPOPUP = &H8    ' Display Help topic in popup window

Const HELP_CONTEXT_BETA = 1000

iResult = WinHelp(frmMain.hWnd, App.HelpFile, HELP_CONTEXT, HELP_CONTEXT_BETA)
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Author Comment

by:Bigway
ID: 1455199
VBDesigns
 I could just be a dummy but I am still having problems. I pasted the code you gave me into a module. When I try to run the program it says that "frmMain.hWnd" is an invalid call to an outside procedure. I want to allow for my user to open to my help index via a drop down menu option. Do I make some sort of call with a command to the code you gave me?
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Author Comment

by:Bigway
ID: 1455200
VBDesigns
 I could just be a dummy but I am still having problems. I pasted the code you gave me into a module. When I try to run the program it says that "frmMain.hWnd" is an invalid call to an outside procedure. I want to allow for my user to open to my help index via a drop down menu option. Do I make some sort of call with a command to the code you gave me?
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Author Comment

by:Bigway
ID: 1455201
Sorry VbDesigns. I waited for you to get back. The answer doesnt seem to work, although I suspect it is the correct answer and I am leaving something out.Or I missed something.
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Accepted Solution

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tyroneb earned 50 total points
ID: 1455202
I may be oversimplifying your problem, but if you're simply interested in calling the help screens from a menu option, you could use the following command:

SendKeys "{F1}", True

I'm going to experiment some with VBDesigns answer, because I've been looking for a way to open the contents file before anything else.
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Author Comment

by:Bigway
ID: 1455203
tyroneb,
 You were not oversimplifying it. I had tried that command before but messed it up. Ive never sent keys. I used "SendKeys {F1}", and it did not work. Yours did : )
 I had to have this in the form load "App.HelpFile = "c:\JumpLog\Jumplog.hlp"" of course.
 I think VBDesigns answer would work but I dont know enough to mess with it. If you get it to work could you e-mail me and let me know, please. Also do you know a way to load my help file without hard codeing it? I guess through the regestry but Im not sure, never did that.
Thanks
 bigway@digitaldune.net
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