在C#中返回SortedList中的第一个元素

SortedList<int, string> sortedList = new SortedList<int, string>();
sortedList.Add(1, "one");
sortedList.Add(3, "three");
sortedList.Add(2, "two");

int firstKey = sortedList.Keys.First();
string firstValue = sortedList.Values.First();

Console.WriteLine($"The first key is {firstKey} and the first value is {firstValue}");

The first key is 1 and the first value is one