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Resolved Tabbed View gives "unknown control mditbb_1" error

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  1. Ian Wells
    Ian Wells
  2. PowerBuilder
  3. Friday, 11 August 2023 22:31 PM UTC

Ok just downloaded PowerBuilder 2022 R2, eager to try out the new tabbed UI for an MDI app. After downloading it did a full build of my source code. I went to the MDI Frame window (inherited from the PFC w_frame window) of my app and excitedly check the "TabbedView" checkbox and ran my app.

Logged in and boom!

Error popped up with a window title of "of_setcontrolstatus" with the error: "unknown control mditbb_1. Please contact your system administrator."

What am I doing wrong?

I thought this is a "no development needed" UI improvement?

I tried unchecking the TabbedView on my descendant frame window and checking it on pfc_w_frame, but it gave the same error.

 

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Accepted Answer
Bruce Armstrong
Bruce Armstrong Accepted Answer Pending Moderation
  1. Saturday, 12 August 2023 21:45 PM UTC
  2. PowerBuilder
  3. # Permalink

I just committed a PR to the 2022 version of the Open Source PFC to address this.  If you want to see the changes I made and simply incorporate them into your own version you can see them here:  https://github.com/OpenSourcePFCLibraries/2022/commit/cc1c55f4492e8148047040c077410289d55ac88e

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Miguel Leeuwe
  1. Miguel Leeuwe
  2. Sunday, 13 August 2023 16:15 PM UTC
Thank you Bruce!
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Responses (4)
Ian Wells
Ian Wells Accepted Answer Pending Moderation
  1. Sunday, 13 August 2023 13:40 PM UTC
  2. PowerBuilder
  3. # 1

I incorporated the latest changes from Bruce into my version of PFC and it works!

I do get a flicker of a window in the middle of my screen as I change tabs, but this is not bothering me too much. I'll see if it bothers the end users.

Thanks again for the quick responses Chris and Bruce.

Cheers

Ian

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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Monday, 14 August 2023 00:07 AM UTC
That's great news Ian ... Thanks for the feedback! :-)
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Chris Pollach @Appeon
Chris Pollach @Appeon Accepted Answer Pending Moderation
  1. Friday, 11 August 2023 23:10 PM UTC
  2. PowerBuilder
  3. # 2

Hi Ian;

  This was not a problem on your end - it's a problem with the PFC framework. It was never designed to handle new hidden objects within an MDI Window. I suspect that it only understands MDI_1. Thus, it errors out when it finds a new object class that it does not understand.

   The PFC framework needs to be refactored to handle the "mditbb_1" NVUO properly. I have already done that in my STD Framework for this situation.  HTH 

Regards ... Chris 

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Ian Wells
Ian Wells Accepted Answer Pending Moderation
  1. Sunday, 13 August 2023 12:48 PM UTC
  2. PowerBuilder
  3. # 3

Thanks Bruce & Chris. 

I'll make the changes in my PFC copy and let the group know if this solved my problem.

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