AutoHotkey Community

Thanks majkinetor for this example. But I was very interested when you said : So I'd like to have an example of a script with no (at least visible) window which receive an IPC message from an other script with no (at least visible) window. Thanks by advance

Just don't use Gui, Show then

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OK. Sorry I'm a noob. So there is no problem using IPC_OnMessage and IPC_Send without any window.
Thanks for all your marvelous work (IPC, MMenu, etc)

Cool!

Now that 1.0.48 is out, you could use IsFunc() and allow specifying a function instead of only a label. Or maybe both. I guess I personally just have issues with global variables.

Btw, I noticed that the static id var isn't used in the receiving function.

Thanks, majkinetor!

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Scripts - License

Thanks.

About your suggestion, yes, sure, most recent modules use functions regeardless of IsFunc, plus, there are other improvementes which makes them better candidates for APIs.

Ill do it if I return to AHK programming.

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Is it possible to communicate between local process and remote?

version 2.0

- Removed all globals
- Label switched to function
- API changed a bit to support sending binary data.

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majkinetor, currently the Hwnd parameter of the Handler function is always your "security ID" 951753, despite being documented as "Handle of the window passing data". I think it woud be best to either remove this parameter or discard the "security ID" feature (i.e. pass an actual hwnd and let the script rely on port numbers or some other mechnism for "security").

*** version 2.01 ***

- Bugfixes.
- Security ID removed.
- Docs updated.


Ty Lex.

PS: The point of sec ID was for script to make less likely that other app will send COPYDATA (i.e. for module to know its own messages). I removed it nevertheless.

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Can you post an example for say, shutting down a script from another?

That would probably be a bad example since it can be done more easily by simply closing the 'ahk_class AutoHotkey' window. (It has been covered many times before on the forums.) There isn't much to the IPC module; the example included in the download should be sufficient.

I am constantly using IPC for situations in which I have some kind of console that sets up execution of some independent scripts that notify console about execution details.

For instance, my latest project was involving Task Scheduler in AHK that instantiates dozen of scripts as scheduled tasks. Tasks send execution details to log control kept by the scheduler script.

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*** version 2.5 ***

+ Added DotNet library in IPC.cs (classes IPC, IPCEventArgs). The API is the same as with IPC.ahk (minus obvious AHK vs C# differences)
+ IPC_Test.exe sample for DotNet <-> AHK communication.

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It seems that DotNet part doesnt work correctly on 64bit systems.

Ill see more about it, but If somebody can test on 32 and 64bit on their own, it could help.

Ty.

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majkinetor, the first and last fields of COPYDATASTRUCT are pointer-sized, i.e. 64-bit in 64-bit applications:

I suppose IntPtr is the appropriate managed type to use for these two fields.

Edit: After correcting that, the rest is mostly straight-forward as long as you don't do this:
What we want to be -100 is treated as 0xFFFFFF9C. Since that's outside the range of an int, OverflowException is thrown and the WndProc silently fails. Very annoying and IMO rediculous, but the following works:

(Also edit: "i.e. 64-bit on 64-bit Windows" was inaccurate.)