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JohnDG
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How To Exchange Data Between VB.NET Programs?

11/28/2011 9:50 AM

Many of my applications are written in VB6, making extensive use of DDE for exchanging data.

VB.NET doesn't support DDE, and (AFAIK) VB6 will not be supported after WIN 7, so I'm going to have to have a re-think (and an extensive re-write).

Can anyone please point me to a simple example of two VB.NET programs exchanging data using e.g. Automation? I've rummaged about in the Help system without success (I only have Visual Studio.NET 2003 at present, but will be upgrading soon).

Thanks in anticipation.

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JohnDG
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#1

Hold the Front Page!!!

11/28/2011 11:04 AM

Thanks to anyone who had a go, but I've sorted it out for myself.

I created an "invisible" activeX component with properties to read and write data, and then used it in two VB.NET .exes so that they could sent data to each other, using one instance of the component. I got the clue from the "coffeewatch" example in VB6 help.

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wahaj87
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#2
In reply to #1

Re: Hold the Front Page!!!

11/28/2011 11:58 PM

That is very nice.

Happy coding !

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victy23
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#3

Re: How To Exchange Data Between VB.NET Programs?

11/29/2011 3:58 AM

It's nice of you,when I am in trouble,can I ask for help to you,I'm a newbie here
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JohnDG
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#4
In reply to #3

Re: How To Exchange Data Between VB.NET Programs?

11/29/2011 4:23 AM

Welcome. If I can help, I will (the same as most people here).

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