James Finnigan

Debugging, Shell Programming, Setup, Working at Microsoft, Virtualization

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  • Blog Post: The Shell Extensions Approved list is *not* a complete list of shell extensions on the system

    I've noticed that a number of different programs just look at the Approved list of shell extensions [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved] and figure that all shell extensions will be in that list. It's not true, because lots of folks don't really care...
  • Blog Post: Supplemental Registrations (aka. Context Menu Handers (etc) - where are they loaded from...)

    I've been thinking about the registration problem where you want to add a context menu (much of this applies to static verbs as well) to a file type (we'll say .ogg). You don't want the default verb, you just want to add some verbs. Because you don't want the default, you shouldn't put your progid in...
  • Blog Post: Installing shell extensions - please complain here

    So... I've been looking more closely at Wix and I think I'm going to build some custom actions to do a really good job installing shell extensions. Which ones do you find most problematic? I realize this is a bit of a change of pace for the blog, so I'll probably hit a few other forums, but please feel...
  • Blog Post: RegNamespace sample up on codeplex

    Scott, Jerry, Thayn and I have whipped up a sample of indexing the registry, as well as a shell folder (namespace extension) for viewing it. It's great to be able to search the registry via the index and it's great sample of how to create a shellfolder, protocol handler, and even an IFilter. So head...
  • Blog Post: WMI Folder - codeplex project

    Well, I've put the WMI folder code up on codeplex . Please remember that this code is very much pre-alpha. I think that this will be a good way to share the code, allow others to contribute, etc. If it works well, then I will probably create codeplex projects for some of the other things that I'm putting...
  • Blog Post: Getting a Path from an IDList

    Not much to this - but I notice searches for this coming to my blog, so I might as well provide the answer. Use SHGetPathFromIDList - as long as the pidl is part of the file system, this will succeed. If you don't need a file system path, you can pass something like PKEY_ItemFolderPathDisplay to IShellItem2...
  • Blog Post: WMI Shell Folder GetDisplayNameOf - untangling the flags

    So I have a bit of a beef with GetDisplayNameOf - I don't like the flags. I understand that when it was created, the flexibility of flags made a ton of sense. It wasn't well understood what potentially wildly different uses might be needed, and flags are a good alternative to a giant enumeration. But...
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