From: Corey Lawson <corey.ssf.lawson@...>
Date: 2005-07-01T03:05:20+09:00
Subject: Re: win32ole object creation failure

This URL probably has what looks like some good info on using
Win32API: http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/32861

On 6/30/05, Corey Lawson <corey.ssf.lawson@gmail.com> wrote:
> Hmm... I found a chunk of VB code here
> http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=12394&lngWId=1
> (look in the ComDlgEx.cls file) that shows what you need to do in VB
> to use comdlg32.dll.
> 
> In Ruby, it looks like you can then use this via:
> 
> require 'WIN32API'
> 
> #If you don't have "Pickaxe" (see p 755) then...
> 
> require 'Win32API'
> comdlgFileOpen = Win32API.new("comdlg32.dll", "GetOpenFileNameA", ['P'], 'L')
> 
> #...and it goes downhill from there. You basically have to make a
> (sorry for the C syntax)
> struct OPENFILENAME {
> ...
> }
> #what is the ruby syntax for defining a struct?
> 
> #then use pack() and unpack() to smoosh and unsmoosh things
> 
> ofn = OPENFILENAME
> 
> res = comdlgFileOpen.Call(ofn)
> 
> #in the ofn instance of the OPENFILENAME struct, you set all sorts of
> settings for the
> #dialog, including file name patterns, etc.
> 
> It looks to be pretty messy, but it's messy for everyone not using
> C++, unless your lang (i.e., Delphi) provides nice encapsulations of
> the API calls...
> 
> Pickaxe also mentions that
>   require 'dl/win32'
> might be a bit more mature. Maybe it's easier to use?
> 
> 
> 
> On 6/30/05, gregarican <greg.kujawa@gmail.com> wrote:
> > Axel wrote:
> >
> > > When I run this (on Windows XP with the Windows Ruby installation
> > > package 1.8.2-15), I get the following error:
> > >
> > >
> > > C:/temp/bla.rb:3:in `initialize': Failed to create WIN32OLE object from
> > > `MSComDlg.CommonDialog' (WIN32OLERuntimeError)
> > >    HRESULT error code:0x80040112
> > >       Class is not licensed for use     from C:/temp/bla.rb:3:in `new'
> > >         from C:/temp/bla.rb:3
> >
> > I get the same result running this on a Windows 2000 box under Ruby
> > 1.8.2. Googling around for this Windows API entry it appears as if it
> > should be referenced directly using VB and isn't readily available
> > through scripting means. At least this URL makes it seem as such -->
> > http://www.autoitscript.com/forum/index.php?s=58aec18875ef9a11f9d1b2af990a92c2&showtopic=11379&pid=80340&st=0&#entry80340.
> >
> >
> >
>