使用Linq，按某些属性对对象进行排序，然后选择前2个对象

Question

Using a linq query/method chainging I wish to select just the first 2 Point objects in a List ordered by Point.X. How can I?

Answer 1

myList.OrderBy(item => item.X).Take(2);

Breaking it down:

OrderBy() takes a lambda expression which selects the key by which to order. In this case, we want to return the .X property on the object. Another example is if we had a Person object and wanted to sort by .FirstName , the key selector would be (item => item.FirstName) .

Take() truncates the enumeration to the specified number.