![]() The fact that both KDE and Gnome have both their own chm reader (resp. There are tons of CHM readers for the various (non-windows) platforms though, and recently also one portable compiler. ![]() It is one of the places that could do with a little bit of opendesktop standarization, but as always, that stumbles on at least one have to give up his current help system. They were not very nice either (again often loose HTML, slow), and not very stable in time. The few attempts that have been made were connected to either GNome or KDE, and thus only worked for the apps that were delivered with those systems. that an user could install new apps and that its helpcontent would integrate with the existing helpsystem). The opensource world has played a bit, but usually on the basis of loose html files, and never very extensible (e.g. You can use HelpNDoc to import and convert a CHM help file into a PDF document. Visual Studio helpsystems have been decoupled from the system helpsystem. How to convert a CHM help file to a PDF document. Even on Windows, Vista+ has a new helpsystem but it is not used much and that will probably remain the same till XP is dead to the corporate world. Also as new to this format I don't know if they have TOC, index and search as in CHM. But this format internally use XHTML so existing html page may not properly rendered by EPUB/mobi readers. As state page most closed to CHM is EPUB and Mobipocket format. How about non-vendor specific?ĭevHelp is a GNOME based online help system aimed toward developersįree and open e-book standard by the International Digital Publishing Forum I hear that QT come this something like, KDE, NetBeans also use own help format. Can not properly handle different character codings (like UTF-8).Īre there any alternatives for CHM which have reader and compiler for all desctop OSes?.Have security issues (allow execute JavaScript code).If you'd like to go that route, the easiest and fastest solution would be to use a help authoring software such as HelpNDoc, Help+Manual or madcap Flare: they typically allow you to import an existing CHM help file, edit it as needed, and produce one or more output of the supported formats.įor example, see how you can convert a CHM help file to a PDF document.Microsoft CHM format is great as provide such facilities:īut this format is outdated and have many drawbacks: You can check this page for a detailed explanation: The CHM documentation format only displays the table of contents without any topic content Re-build this CHM help file, or convert it to another format This can also happen when the file has been downloaded from the Internet and the file's property panel will show an "Unblock" button in that case.Īnother possible explanation is that the file path contains symbols such as "#" (sharp) which somehow confuses the Microsoft HTML help viewer. Usually this problem comes from the fact that the CHM help file is placed on a networked or mapped drive: the easiest solution is to move it to a local hard drive. No interface - just enter this into a command prompt or PowerShell window and amend as necessary. The hh.exe is the viewer for CHM files in Windows and can not only display CHM files but also extract CHM files. You'll lose all the CHM's features like TOC (Table of Contents), Index and Search if you decide to use pure HTML format. ![]() Please note - all HTML files are already stored in the CHM file and are only added as an external file for very special use cases. *.hhc (TOC) and in the case of previous use *.hhk (index) are decompiled. It’s not always possible to recover all files and data you need in particular the project file *.hhp. If you really decide to decompile there are different ways. So search for the unblock button of the ZIP file first.īut sometimes you only have the CHM output file and nobody can locate the source files. The blank screen you see may be a problem on your work computer because the CHM resides on the company network drive.Īnother cause could be that you did not unblock the PsTools.zip first after the download (you mentioned ".there is no "unblock" button in the file properties as referenced in other solutions"). It does not have to be decompiled if this problem is solved first. ![]() The short story - I think it is a long known security problem with blocked content of the CHM file. ![]()
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