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Finally got help working in a merged scenario. If there is a topic that doesn't exist, since the child .chm hasn't been installed in the directory, why does Help open anyway to a blank topic when F1 is pressed on that control? There is a mapping and its in the redirect file and alias file for when the child .chm is installed (this is all in the master). I want it to not open Help if it the child .chm doesn't exist. How can i accomplish this? or at least open it to a default topic etc?

Theodosius Von Richthofen
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  • Your problem is difficult to reproduce even though I read all previous messages. Your requirements are very special because you probably do not programm the whole package e.g. main application, add-on and different (merged) help files. – help-info.de Apr 24 '16 at 17:25
  • As I understand F1 application help generally, you must have application code in form of a context-ID link for each control on your main application window. So, if that control has focus and the connected CHM is working well F1 help goes to a specific topic. Having Add-On's and merged CHM with e.g. new windows programmer and help author have coordinate many things e.g. for context-sensitive help. New controls have F1 help to new topics in the slave CHM and a new context-ID is required. Having additional content to an existing functionality (same context-ID) the help author has to work only. – help-info.de Apr 24 '16 at 17:27
  • The issue with blank help topic (when F1 is pressed) happens with a control having focus on your Add-On window? Are the controls seperated from the main application controls? What programming language and development environment you are using? – help-info.de Apr 24 '16 at 17:28
  • yes, yes, c#/winforms in visual studio 2013. – Theodosius Von Richthofen Apr 25 '16 at 12:14
  • @help-info.de is there a way in the redirect.xhtm file to check if the .chm child exists, and if not, do nothing? would javascript even be able to do this check, or how else could i check to see if the child .chm is present? – Theodosius Von Richthofen Apr 26 '16 at 14:29
  • Sorry, here I do not have so much experience. But, why is a control on the add-on's form not having a related topic and a missing CHM? I have not a really good idea for a solution. – help-info.de Apr 26 '16 at 18:56
  • you are right to think this SHOULDN'T happen. However, i simply wanted to cover all bases, and wanted to know HOW i could do this if i needed to. I would assume normally any control that is mapped to a slave .chm wouldn't be visible or enabled when the slave .chm's applicable plug-in is not installed. – Theodosius Von Richthofen Apr 26 '16 at 19:29
  • anyway, i found out how to do some of this, but i can't get around the fact that seemingly requires the user to accept an ActiveX dialog no matter what i do. I haven't found any way to check if the slave.chm file exists locally other than forcing the user to accept the ActiveX dialog. This is something i don't want to do, and in fact, cannot require. Is there some code other than this that needs ActiveX? https://msdn.microsoft.com/en-us/library/x23stk5t(v=VS.85).aspx – Theodosius Von Richthofen Apr 26 '16 at 19:31

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