On Tue, Apr 25, 2006 at 09:06:10PM -0500, Bo Peng wrote: > I guess windows is doing the following: > > 1. check HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\ > FileExts\.ps\OpenWithList > > 2. from MRUList know a is the application, get gsview32.exe > > 3. go to HKEY_CLASSES_ROOT\Applications/gsview32.exe key and know the > exact command, > > 4. try to start the document with that command. > > Now, what I need to do, is to follow the same route and see if any > application exists. I can simply check the first key but this is not > accurate since gsview will still be there after uninstallation. > > Please help me check if your system (win2k, 98, xp sp1 etc) have the same > keys.
This is the same on win2k. However, I would be surprised that there is no API to ascertain if an extension has an associated program. -- Enrico
