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Databases and OLE File Linking

Posted on 1997-09-03
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Last Modified: 2010-04-04
I am writing a Database application using Delphi 2. The user wants (for each record) to be able to include a MS Word document (possibly more than one) and maybe a graphic file (bitmap), again, possibly more than one.

I don't want to embed them in each record, I want to save a link to each file. I first thought of the OLEContainer, but this thing can only hold one object at any one time. I could just save the path and filename of the proposed file(s) in each record, but how could I execute the application (eg. Word) when the user wants to edit the file.

I'd like to use the InsertOLEObject Dialog box, so the user can insert an object (of their choice) at any time.

How, and what would be the best way to do this?
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Question by:rocknroll
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ZifNab earned 50 total points
ID: 1343539
Hi rocknRoll,

For executing word :

First you have to include OleAuto in your unit's uses clause, and
declare a Variable for the OLE object, like:

  var
    MsWord: Variant;

And then:

  begin
    MsWord:=CreateOleObject('Word.Basic');
    MsWord.AppShow;     {if you want word to show}
    MsWord.FileOpen('your_file.doc');
    MsWord.Insert('some text');
  end;

Don't know exactly if this is what you need, hope it is

Have fun,
c.u. ZifNab;
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Author Comment

by:rocknroll
ID: 1343540
Thanks ZifNab,

what you suggested seems to work, but I have another little problem. While the user is editing a document in Word (opened by my application), and the user saves this document under another name, how can I obtain this new filename so I can change the link to it. Are there any parameters returned from Word once it is closed and my application gains control again?

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Expert Comment

by:ZifNab
ID: 1343541
Hi R&R,

Sorry, I don't know a answer for this question, but I'll look at it. I'm going on a trip for a week or 2, so if you can wait till then. But i promise that i'll look at it!

c.u. ZifNab
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