将list 转换为list
如何在C#中将List
转换为List
?
像这样:
List longs = ints.ConvertAll(i => (long)i);
这使用C#3.0 lambda表达式; 如果您在VS 2005中使用C#2.0,则需要编写
List longs = ints.ConvertAll( delegate(int i) { return (long)i; } );
List ints = new List (); List longs = ints.Select(i => (long)i).ToList();
var longs = ints.Cast().ToList();