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FREE Xamarin Collection View: Drag & Drop, Auto Height, Filter, Group, Sort & More (Getting Started) - YouTube
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Filter, Sort, and Group Data in Collection View for .NET MAUI | .NET Multi-platform App UI | DevExpress Documentation
![Filter, Sort, and Group Data in Collection View for .NET MAUI | .NET Multi-platform App UI | DevExpress Documentation Filter, Sort, and Group Data in Collection View for .NET MAUI | .NET Multi-platform App UI | DevExpress Documentation](https://docs.devexpress.com/MAUI/images/collection-view/collection-view-group-info.png)
Filter, Sort, and Group Data in Collection View for .NET MAUI | .NET Multi-platform App UI | DevExpress Documentation
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CollectionViewSource is crazy useful for binding to filtered Observable Collections on Windows Phone 8 - Scott Hanselman's Blog
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