# Dde "wait loop" **URL:** \ **Category:** Ruby\ **Created:** [January 8, 2008, 5:38pm UTC](https://www.ruby-forum.com/t/dde-wait-loop/125370 "2008-01-08T17:38:21Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![ernsttanaka](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/e/46a35a/32.png) [@ernsttanaka](https://www.ruby-forum.com/u/ernsttanaka)\ **Post date:** [January 8, 2008, 5:38pm UTC](https://www.ruby-forum.com/t/dde-wait-loop/125370/1 "2008-01-08T17:38:21Z")
I have a question on DDE I use the following command; d = tk\_call(‘dde’, ‘request’, ‘TOS’, ‘DESCRIPTION’, x.opra) it seems that the call doesnot always give data while I am sure data is available. Tested via a dde call in a spreadsheet. Could it be that that my program is not waiting long enough for the DDE response. Appreciate any help. Ernst T ---
**Author:** ![ernsttanaka](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/e/46a35a/32.png) [@ernsttanaka](https://www.ruby-forum.com/u/ernsttanaka)\ **Post date:** [January 9, 2008, 2:04pm UTC](https://www.ruby-forum.com/t/dde-wait-loop/125370/2 "2008-01-09T14:04:11Z")
Is there away to do dde calls in a async way and handle them with callbacks? I am stuck here, would appreciate any help. Thnks Ernst T ---
**Author:** ![ernsttanaka](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/e/46a35a/32.png) [@ernsttanaka](https://www.ruby-forum.com/u/ernsttanaka)\ **Post date:** [January 10, 2008, 5:12am UTC](https://www.ruby-forum.com/t/dde-wait-loop/125370/3 "2008-01-10T05:12:40Z")
no response so far; have check on event/callback but sofar nothing. read MSFT documentation on DDE, no direct help either. Still hope some fellow Rubyist will give a hand. Thks Ernst ---
**Author:** ![ernsttanaka](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/e/46a35a/32.png) [@ernsttanaka](https://www.ruby-forum.com/u/ernsttanaka)\ **Post date:** [January 14, 2008, 2:35am UTC](https://www.ruby-forum.com/t/dde-wait-loop/125370/4 "2008-01-14T02:35:48Z")
Junkone wrote: > On Jan 9, 11:12�pm, Ernst T. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > > > – > > Posted viahttp://www.ruby-forum.com/. > > i have been searching high and low on how to use dde with ruby and the > only post i have seen is yours. will keep looking. > seede Anyone experience with DDE who would like to contribute to this post. I am stuck here. My program runs; sometime I get data; sometime I get the string “N/A”. ---
**Author:** ![ernsttanaka](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/e/46a35a/32.png) [@ernsttanaka](https://www.ruby-forum.com/u/ernsttanaka)\ **Post date:** [January 18, 2008, 6:00pm UTC](https://www.ruby-forum.com/t/dde-wait-loop/125370/5 "2008-01-18T18:00:52Z")
A request for senior rubyist to write a DDE Gem. If you check out VisualFoxPro you see a great set of command handling every DDE situation. Trust me; I have check the web – it really seems Ruby doesnot have anything close. > **[DDE Functions](https://learn.microsoft.com/en-us/previous-versions/visualstudio/foxpro/as3e74s4(v=vs.80)?redirectedfrom=MSDN)** DDE Functions. It would be great if the gem could also handle callback from DDEadvise TK has a limited set of DDE command implemented. Two disadvantages one you have to load TK for just a limited use; two the Tk DDE implementation is very limited. I am not able to take up my own dare. I learned to program in 1980 on Cics/Cobol and have learned ruby over the last months by trial and error. I am on the edge of my ruby knowledge. We have a long weekend coming up; 🙂 Thanks! Ernst ---
**Author:** ![ernsttanaka](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/e/46a35a/32.png) [@ernsttanaka](https://www.ruby-forum.com/u/ernsttanaka)\ **Post date:** [January 18, 2008, 7:07pm UTC](https://www.ruby-forum.com/t/dde-wait-loop/125370/6 "2008-01-18T19:07:45Z")
On Jan 18, 12:00 pm, Ernst T. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > Thanks! > > ## Ernst > > Posted viahttp://www.ruby-forum.com/. I second that. I just dont know much ruby or dde mechanics to contribute. I would appreciate if someone took this proj and guide. seede ---
**Author:** ![ernsttanaka](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/e/46a35a/32.png) [@ernsttanaka](https://www.ruby-forum.com/u/ernsttanaka)\ **Post date:** [January 10, 2008, 12:55pm UTC](https://www.ruby-forum.com/t/dde-wait-loop/125370/7 "2008-01-10T12:55:47Z")
On Jan 9, 11:12 pm, Ernst T. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > – > Posted viahttp://www.ruby-forum.com/. i have been searching high and low on how to use dde with ruby and the only post i have seen is yours. will keep looking. seede