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rewrite dll as an activex dll

Posted on 2004-08-03
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Last Modified: 2012-05-05
Hi everyone!
I have a DLL that looks like this:

----------------------------------------------------------------------------------------------------------------------
library IFAll;

uses
  FastShareMem, PreDllDecl, Windows, Forms, Dialogs, SysUtils, Classes, ShlObj,.....

{$R *.res}

const
 ..............................

var
.....................

function ApplikasjonSti: ShortString; stdcall;
begin
........................
end;

exports
 ApplikasjonSti;

begin
end.
------------------------------------------------------------------------------------------------------------------------

I really want this dll to be available as an object in my aspx pages. But I have heard rumours that the DLLs must then be ActiveX dlls. How do I rewrite the DLL to be an activeX dll?
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Question by:Darth_helge
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3 Comments
 
LVL 17

Accepted Solution

by:
Wim ten Brink earned 500 total points
ID: 11706952
ASP and ASPX can use COM components in the code. Thus what you have to do is create a COM component that can be called from the scripting language. Binaries compiled this way are considered to be ActiveX components.

You need to start with a new ActiveX library project. Then add a new ActiveX control, Active Server Object, ActiveForm, Automation object, COM object, MTS object or even an MTS data module to it. (Other Delphi versions can offer different object types that you can add.) For ASP, the Active Server Object is the best solution.
Then you're in the type library editor. Here you add the methods that you want to use. ApplicasjonSti in your example and add the code to it in the editor.

But this process will require a complete redesign of your DLL and some knowledge about COM development...

Any other ways to call DLL methods from scripting? I'm not sure, but check out the webdevemlopment section of ExEx...
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LVL 5

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by:Darth_helge
ID: 11712718
ok. i've got started. But let's say that my dll uses 50 methods only internally in the dll and then there's one function that is public and exported. do i have to declare all the 50 internal methods in the type library? or can i just cut'n'paste these methods over to the new com component? can these private methods call other dll's?
0
 
LVL 5

Author Comment

by:Darth_helge
ID: 11809640
ok, I have figured it out...
i'll give you some points alex...
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