[.net] .NET : 두 개의 일반 목록 결합

This should do the trick

List<Type> list1;
List<Type> list2;

List<Type> combined;
combined.AddRange(list1);
combined.AddRange(list2);

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You can simply add the items from one list to the other:

list1.AddRange(list2);

If you want to keep the lists and create a new one:

List<T> combined = new List<T>(list1);
combined.AddRange(list2);

Or using LINQ methods:

List<T> combined = list1.Concat(list2).ToList();

You can get a bit better performance by creating a list with the correct capacity before adding the items to it:

List<T> combined = new List<T>(list1.Count + list2.Count);
combined.AddRange(list1);
combined.AddRange(list2);

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C # 3.0 / .Net 3.5를 사용하는 경우 :

List<SomeType> list1;
List<SomeType> list2;

var list = list1.Concat(list2).ToList();

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.AddRange () 메서드 사용

http://msdn.microsoft.com/en-us/library/z883w3dc.aspx

출처
https://stackoverflow.com/questions/2002784