Re: File associations

"Jeff Gaines" <jgaines_newsid@xxxxxxxxxxx> wrote in message
news:xn0eb14rzsjfpc00a@xxxxxxxxxxxxxxxxxxxxxx
> On 15/12/2005 uker wrote:
>
>> Can any one help me, with this rather trivial matter that
>> is annoying me?
>>
>> On certain file associations in my PC some will not associate to a
>> program. When the Open with file comes up the small box where it says
>> 'Always open with this kind of file' it will not let me tick the
>> small box at the bottom of it. Is there a setting some where that's
>> stopping this doing this?

Is this using WinXP?
Or WinMe?
Or w98?

All of them use a basically similar way of handling things, but they
all differ slightly in what features are available & how to get to the
various choices.

> Which file type causes the issue? I had a check and couldn't find
> a type where the box is disabled.

Good point!!!

There *are* some though, so yes, it will really depend on what
particular File Extension uker is talking about.

It will be interesting to see which File Extension(s) he is having
this prob with?

What Choices are available depends on what is Set in the Registry.
In the HKEY_CLASSES_ROOT Key (Which is actually an Alias for the Key
HKEY_LOCAL_MACHINE\SOFTWARE\Classes), there are Sub-Keys for each File
Extension & *also* for each File Type - a FileType can be Associated
with more than one File Extension.

There are also various other SubKeys, for things such as "All File
Extensions" (*) & Unknown File Types, as well as various other File
System Objects.

The Contents of those SubKeys can have a whole range of different
Values (& further SubKeys), which decides what Options are (or are not)
available in the various Dialog Boxes.

In particular the "EditFlags" Value controls what Tick Boxes are
available (or Greyed out) (& whether or not they are Set) - See M$DN
Article(s) below...

As well as using the normal "OpenWith" Box, you can also use the
[Change..] or [Advanced...] Buttons to Set up File Associations.

It may be worth doing it that way?

For some more Info about it, have a look on the M$DN (micro$oft
Developers Network) Site at Articles such as these...

Creating a File Association
http://msdn.microsoft.comlibrary/en-us/shellcc/platform/shell/programmersguide/shell_basics/shell_basics_extending/fileassociations/fileassoc.asp
(Look at the section "Defining Attributes for a File Class")

Extending Shortcut Menus
http://msdn.microsoft.com/library/en-us/shellcc/platform/shell/programmersguide/shell_basics/shell_basics_extending/context.asp

HTH

--
pmj


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