On Mon, Feb 9, 2009 at 12:10 PM, Dan Shirah <mrsquash2@xxxxxxxxx> wrote:
>> I can't help much, but this might get you started.
>>
>> 1) Does the DLL you are trying to use actually supports COM. I know some
>> don't.
>>
>> 2) I'm pretty sure that the string you pass to new COM('...') should
>> be the name the class as registered with Windows, not the actual file
>> name. They are usually something like 'Scripting.FileSystemObject',
>> 'word.application', 'ADODB.Recordset', etc.
>>
>>
>>
>> Andrew
>
> The DLL I am trying to work with was written by an outside agency.
>
> Their application uses this dll to convert DMS images (Their proprietary
> format) to TIFF images.
>
> Naturally they are not very forth coming to share the functionality of their
> software, but I was able to get the VB function that calls the DLL for
> conversion.
>
> Private Declare Function DTM_CONVDMSToMultiTIFF Lib "D32_CONV.DLL" _
> (ByVal FullPathFrom As String, ByVal FullPathTo As String) As
> Integer
>
> So, I was hoping to be able to call that DLL in PHP and pass it the two
> values I specify in my application.
>
> In order to be used by COM is the DLL required to be placed in the SYSTEM or
> SYSTEM32 folder?
No. When I was doing an ASP (not .NET) site, we registered them from a
custom path just for our web app.
> Or does it have to be a DLL that can be registered?
I believe you do have to register it with regsvr32 for it to be visible.
I think the GUID that Todd mentioned might even work, but I've only
ever used the ProgID. If you don't know the ProgID that is registered,
you should be able to find it in the Windows registry after you've
registed it with regsvr32. If you search for the file name, it should
find an entry somewhere under \HKEY_CLASSES_ROOT\CLSID\(some
GUID)\InprocServer32 that has a value of the full path to your DLL
file. The ProgID is the next key down below InprocServer32, labeled
aptly "ProgID".
Andrew
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