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Original file line number Diff line number Diff line change
Expand Up @@ -4,11 +4,11 @@ namespace MauiApp._1.Pages.Controls;

public class ChipDataTemplateSelector : DataTemplateSelector
{
public required DataTemplate SelectedTagTemplate { get; set; }
public required DataTemplate NormalTagTemplate { get; set; }
public DataTemplate? SelectedTagTemplate { get; set; }
public DataTemplate? NormalTagTemplate { get; set; }

protected override DataTemplate OnSelectTemplate(object item, BindableObject container)
{
return (item as Tag)?.IsSelected ?? false ? SelectedTagTemplate : NormalTagTemplate;
return ((item as Tag)?.IsSelected ?? false ? SelectedTagTemplate : NormalTagTemplate) ?? throw new InvalidOperationException("DataTemplates SelectedTagTemplate and NormalTagTemplate must be set to a non-null value.");
}
}
}
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