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cbolwerk
Posts: 4
Registered: ‎02-15-2004
Message 1 of 2 (175 Views)

AutoCAD as DDE client

175 Views, 1 Replies
02-15-2004 06:20 AM
I am trying to figure out if I can use AutoCAD as a DDE client.

What I would like to be able to do is to dynamically change the color of valves, piping, etc. on a P&ID drawing. I could do this through Excel, but the "originating" program is a DDE server (technically, an OPC server) and would prefer to do it direct. In Excel, all I have to do is to refer to the server, topic name, and tag name, and any time the value changes, the Excel cell is updated (either a 1 or a 0). I would like to be able to do this with AutoCAD. If the value changes to a 1, change the color of the valve to green. If it is 0, change the color to red.

Is this at all possible? I have looked in the discussion groups and don't see anything exactly like I am looking for. Also, seems that there is some question as to whether the latest versions of AutoCAD support DDE anymore?

Thanks!
New Member
gte383f
Posts: 1
Registered: ‎02-07-2012
Message 2 of 2 (154 Views)

Re: AutoCAD as DDE client

02-07-2012 04:07 PM in reply to: cbolwerk

This is a little late, but... I'm trying something similar.  Connecting Inventor models to an OPC server to actually watch armatures move.  I'm assuming this entails A: building what interface I need of an OPC client, and B: figuring out the API enough to manipulate the constraints and animation functions.

 

Incredibly new to AutoDesk.  Looking for any direction to go so I don't have to reinvent the wheel (should it already be invented for me in part)

 

thx,

Jonathan

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