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I need a visual api-message scanner. I used to have one with a visual c++ compiler, but I don't remember what it was called, and I can't download one now.

Anyone know of a good stand alone one?

I know there are a couple posts for api utilities, but they aren't exactly what I need. I know there are api scanners that function like the AU3_SPY. So that said, does anyone know of a free program for this?

I suppose you are referring to Spy++.
Try Winspector Spy, it is a fine tool.
Well, if I correctly understood your request, I am not sure what you mean by API-message scanner, I only took the "message" part...
Otherwise, there is the simplier and well known WinSpy++, to get window informations.
If you want to list the API calls, I believe I saw such utility but I can't recall its name. Perhaps found in CodeProject.

Spy++, that's what it was. And Winspy++ does what I need. Thanks, PhiLho.

Dear Greg,
Please change the Subject heading.. It is rather misleading.. Thanks

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I have to agree. When the original poster asked about "Visual API-Scanner", I thought he was talking of some kind of image recognition API suite that allowed you to programmatically recognize symbols or text.

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I think it could be also possible to catch all the messages sent to a window with a ahk-script?

I mean something like this:
Instead of the original window (like notepad) I want to get all it's window-messages in my ahk-script. The "good" messages are sent then by the script to this window, the others are "thrown away" so the window will not get them.

Does anyone know how to do this? I heard about this possibilitie, but without closer information...

Thalon

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Well, WinSpy++ doesn't allow to capture messages, unless I missed something.
Winspector Spy does allow to capture window messages (WM_xxx).
So I am still confused by the title if WinSpy++ is what you were looking for
Splitting hairs...

There is a means, but I don't think it could be done from a script because it requires a callback function. Here's the MSDN documentation: SetWindowsHookEx(). Specifically, I think you'd want the WH_CALLWNDPROC hook.

Yep, WinSpy++ doesn't actually do what I need. But that shouldn't matter to you.

Spy++ does, however, do it. And so I'm just going to get that (along with visual C).

I will have a look. Doing what I want would open many possibilities

Thalon

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It matters to me because I tried to give a good advice...
If getting Spy++ is fine for you, alright, but you should really try Winspector Spy because it is far superior to Spy++.

Just my 0.2 €...