.net中除去IList中的多余项

1 IList<ActionInfo> tempList = new List<ActionInfo>();
2  IList<ActionInfo> tempActionList = new List<ActionInfo>();
3 
4   var iactionlist = (from li in tempList
5                                select li).Distinct();
6             foreach (var d in iactionlist)
7             {
8                 tempActionList.Add(d);
9             } 

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