Use ICollection interface instead #1386
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Currently
Series.Valuesis of typeIEnumerablewhile this is a flexible type, it also causes some confusion, users are using LINQ expressions as the data source, Linq expressions are evaluated every time the library needs read the data in the chart, this is not optimal for performance and could also lead to some visual glitches.This is a recurrent issue with new users, some related issues are:
This PR changes the
Series.Valuestype toICollection, this prevents users from using LINQ expressions as the data source and we can still useList<T>,ObservableCollection<T>, arrays,Queue<T>,Stack<T>,HashSet<T>and a lot of useful structures in dotnet.