RadDropDownList gives message in debug output window when I click

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Simos Sigma
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Simos Sigma asked on 07 Sep 2022, 10:14 AM

Hello community!!!

Every time I click on a RadDropDownList I get this message into my debug output window:

The thread 0x588c has exited with code 0 (0x0).
The 0x588c changes every time.

Any idea why is this happening? Is this a normal behavior of RadDropDownList or something?

Thank you for your time!!!

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Dess | Tech Support Engineer, Principal
Telerik team
answered on 08 Sep 2022, 06:45 AM

Hello, Simos,

This seems to be more like a general programming question than related to the Telerik UI for WinForms suite. After some research, I have found the following useful threads that are quite useful on this topic:

https://stackoverflow.com/questions/12410548/the-thread-has-exited-with-code-0-0x0-with-no-unhandled-exception 

https://social.msdn.microsoft.com/Forums/en-US/241e580a-fe8d-4a04-8e26-27b8fb322fd3/the-thread-ltno-namegt-0x898-has-exited-with-code-0-0x0?forum=aspgettingstarted 

Note that these messages can be turned off:

I hope this information helps. If you need any further assistance please don't hesitate to contact me. 

Regards,
Dess | Tech Support Engineer, Principal
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Simos Sigma
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commented on 08 Sep 2022, 09:33 AM

Thank you very much for you time Dess!!!

I have already found this articles but I think the solution isn't just to disable thread exit messages. The reason I wrote to you is because this happens only when I use a RadDropDownList. Which means that apparently, something is "wrong" with RadDropDownList's code(?). Because, for example, if I do the same thing with a simple comboBox nothing happens!!!
Dess | Tech Support Engineer, Principal
Telerik team
commented on 09 Sep 2022, 12:00 PM

Hello, Simos, 

By default, RadDropDownList comes with enabled drop down animation. For the smooth execution of the animation, it is being performed on another thread. Thus, the main UI thread is not frozen while the animation is performing. This explains the observed messages in the Output window. This is just an indication about the thread exiting and you shouldn't be bothered about it. You are also free to disable the animation in order to eliminate the messages.
      this.radDropDownList1.DropDownAnimationEnabled = false;

 

Simos Sigma
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commented on 09 Sep 2022, 01:17 PM

Nice!!! Thank you very much for your time Dess!!!
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