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DarkBASIC Professional Discussion / External programs communicating with Pro?

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Ian T
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Posted: 8th Nov 2003 17:52
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I'm wondering about how possible it is for external programs to alter DB variables in real-time, and fetch their data . Think automatic player. Any information on this would be appreciated. Cheers!

--Mouse: Famous (Avatarless) Fighting Furball

A very nice %it, indeed.
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ReD_eYe
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Posted: 8th Nov 2003 21:12
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so have a db program running while another program was running?
then the other program would change variables in the 1st program?
is that what you mean, if not i'm confuzzled


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CattleRustler
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Posted: 8th Nov 2003 21:32
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or do you mean a remote application? Is the NetGame stuff what you are talking about?
confuzzeled too

-RUST-
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Elleomea
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Posted: 8th Nov 2003 22:13
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I just tried using a memory monitoring app, and could find the locations of a given variable (by searching for it's value) but changing that value seemed to have no effect :/.

How much ham could a hamster stir, if a hamster could stir ham?
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Mussi
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Posted: 8th Nov 2003 22:19
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dont know what you mean but to parse data from one program to another you could use the clipbord for that

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Andy Igoe
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Posted: 8th Nov 2003 23:19 Edited at: 8th Nov 2003 23:19
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You could use the clipboard as suggested.

Also you could use the registry.

You could load/exit each application and pass command parameters with cl$().

You could create a text file from each app for a list of changes and then read it in.

Unfortunately there is no Arexx port on Windows that I am aware of, so actual live communication between programs is not just a matter of a simple script like in the days or *cough* toy computers. What we have instead is the verbosity of Windows. I'm not bitter though

Pneumatic Dryll
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CattleRustler
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Posted: 8th Nov 2003 23:25 Edited at: 8th Nov 2003 23:26
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why not use MSMQ as a message repository, than the apps could get messages sent between them, or more precisely each app would have a specific Private Queue that it would monitor for messages. You would need a dll for this and be aware that .NET messages are serialized into XML. I have a dll (com) but you cant use it in DBP. Look up MSMQ on msdn.microsoft.com if you are not already familar with it's uses

btw - the apps don't have to be Local to use MSMQ. anywhere on a network as long as the machines can "see" each other.

I do a ton of MSMQ programming in vb6 and .NET for work so if you need any help just post up

-RUST-
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IanM
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Posted: 8th Nov 2003 23:42
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I was under the impression that you needed a WinNT/2K/XP OS for message queues to work, but I've never used them myself

Another way to share data between apps may be to use a memory-mapped file
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CattleRustler
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Posted: 9th Nov 2003 00:19
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yes MSMQ requires NT,2K, or XP (don't recommend nt tho)

-RUST-
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