How do I use an existing element as content for every new tabview item?

Asked Oct 06 '22 at 07:44

Active Oct 06 '22 at 07:44

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Hi I am using C# WinUI 3 WinAppSDK for my app. I have a tab view with add tabs option and i also have a home page panel which is collapsed at general state. Now whenever the user adds a new tab, I want the same home page to appear as its content instead of programmatically adding each element in the tabview item. When I set this: newItem.Content = homepagegrid;

I get this error: System.ArgumentException: 'Value does not fall within the expected range.'

asked Oct 06 '22 at 07:44

Hemanth

Does it need to be the same instance? or just the same type of page. – Andrew KeepCoding Oct 06 '22 at 08:28
If you need the same **home page** instance for each new ``TabViewItem``, it might be very tricky since it belongs to a ``TabViewItem``. – Andrew KeepCoding Oct 06 '22 at 08:35
Creating instances of **home page** but binding them to the same ViewModel might be a way to do this. – Andrew KeepCoding Oct 06 '22 at 08:38
I agree to realize the public use of the panel through ViewModel, and you can also copy the content of the home page panel into a new Page. `newTab.Content = frame; frame.Navigate(typeof(Page1))` – Junjie Zhu - MSFT Oct 06 '22 at 09:21

How do I use an existing element as content for every new tabview item?

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