Error found in Custom UI XML: The ID <""> is duplicated

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Error found in Custom UI XML: The ID <""> is duplicated
Just started testing app on Office 2016 + Win 10. This error is showing up. 
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Brian Link


Guest


We've just started rolling out our app to machines running Win10 and Office 2016. One user is getting the error "Custom UI Runtime Error in <our app> - Error found in Custom UI XML of <our app> - The ID '<controlname_long string of characters'> is duplicated".

Not sure if this is a Win10/Office2016 problem, or just a coincidence that it's showing up on a user with that configuration.

Also, it's giving me a line and column number for this error. What XML document is that contained in?
Posted 17 Aug, 2016 11:26:39 Top
Andrei Smolin


Add-in Express team


Posts: 19138
 Joined: 2006-05-11
Hello Brian,

That's the XML markup available in the e.Xml parameter of the OnRibbonBeforeLoad event of the add-in module. I suppose you've copied/pasted the Id of a component and this is why you get this problem.


Andrei Smolin
Add-in Express Team Leader
Posted 18 Aug, 2016 03:02:00 Top
Brian Link


Guest


Thanks, Andre. The question is how to do I fix/troubleshoot the issue? Is there actually a physical xml file in the file structure somewhere that I can edit to prevent this error?
Posted 23 Aug, 2016 14:29:10 Top
Andrei Smolin


Add-in Express team


Posts: 19138
 Joined: 2006-05-11
Hello Brian,

There's no physical XML file. Instead, the XML markup is generated basing on the settings of the Ribbon components. You can print the markup: see the e.Xml parameter of the OnRibbonBeforeLoad event of the add-in module. Almost every tag in the markup corresponds to a component.

Alternatively, you can compare the settings of the Ribbon components: see how the ID properties of the ribbon components are set in the InitializeComponent method() - it's called from the constructor of your add-in module.


Andrei Smolin
Add-in Express Team Leader
Posted 24 Aug, 2016 01:16:56 Top
Brian Link


Guest


Again, thanks for your prompt responses, Andre.

I'm still stuck at this error. If it shows that there is indeed a duplicate name for a control, how do I fix it?
Posted 24 Aug, 2016 21:19:06 Top
Andrei Smolin


Add-in Express team


Posts: 19138
 Joined: 2006-05-11
Hello Brian,

In OnRibbonBeforeLoad, copy the XML to Clipboard, then paste the result to Notepad and use Ctrl+F to check if a duplicate exists for every ID in the Ribbon XML.

System.Windows.forms.Clipboard.SetText(e.Xml)

Sometimes this code line throws an exception. I don't know what causes it. I just ignore it and restart the host application.


Andrei Smolin
Add-in Express Team Leader
Posted 25 Aug, 2016 03:46:02 Top
Brian Link


Guest


I've finally captured that XML when it throws an error. Indeed, that control id is present twice. It's in the element <tab getKeytip="getKeytip_Callback" getLabel="getLabel_Callback" getVisible="getVisible_Callback" id="adxRibbonTab_dbee1f362038445cb90e821d66b756d5">

So now that I've confirmed the duplicate, how do I remove it? Thank you.
Posted 29 Aug, 2016 14:42:38 Top
Andrei Smolin


Add-in Express team


Posts: 19138
 Joined: 2006-05-11
Hello Brian,

Now that you know the component containing this ID, you can modify the Id property of that component.


Andrei Smolin
Add-in Express Team Leader
Posted 30 Aug, 2016 03:44:37 Top
Brian Link


Guest


That did it! Thanks, Andre.
Posted 30 Aug, 2016 11:19:04 Top
Andrei Smolin


Add-in Express team


Posts: 19138
 Joined: 2006-05-11
You are welcome!


Andrei Smolin
Add-in Express Team Leader
Posted 31 Aug, 2016 03:17:21 Top

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