How to retrieve the expanding accordion item index in .NET MAUI Accordion(SfAccordion)?

You can get the index of AccordionItem when expanding in .NET MAUI SfAccordion. You can get the index from the ExpandingAndCollapsingEventArgs of the Expanding event.

public class BehaviorExt : Behavior<SfAccordion>
{
    SfAccordion Accordion;

    protected override void OnAttachedTo(SfAccordion bindable)
    {
        Accordion = bindable;
        Accordion.Expanding += Accordion_Expanding;
        base.OnAttachedTo(bindable);
    }

    private void Accordion_Expanding(object sender, ExpandingAndCollapsingEventArgs e)
    {
        App.Current.MainPage.DisplayAlert("", "AccordionItem expanded at index " + e.Index, "Ok");
    }
}

View sample in GitHub

Conclusion
I hope you enjoyed learning about how to retrieve the expanding accordion item index in SfAccordion in .NET MAUI .
You can refer to our .NET MAUI Accordion feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our .NET MAUI Accordion example to understand how to create and manipulate data.
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