score:15
Accepted answer
var distinctItems = myList.GroupBy(x => x.prop1).Select(y => y.First());
score:1
You can also use morelinq DistinctBy:
distinctItems = myList.DistinctBy(x => x.prop1).ToList();
or with several properties:
distinctItems = myList.DistinctBy(x=> new { x.prop1, x.prop2}).ToList();
Source: stackoverflow.com
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