获取C#中SortedList中包含的元素数
要获取SortedList中包含的元素数量，代码如下-
示例
using System;
using System.Collections;
public class Demo {
public static void Main(String[] args){
SortedList sortedList = new SortedList();
sortedList.Add("A", "1");
sortedList.Add("B", "2");
sortedList.Add("C", "3");
sortedList.Add("D", "4");
sortedList.Add("E", "5");
sortedList.Add("F", "6");
sortedList.Add("G", "7");
sortedList.Add("H", "8");
sortedList.Add("I", "9");
sortedList.Add("J", "10");
Console.WriteLine("SortedList elements...");
foreach(DictionaryEntry d in sortedList){
Console.WriteLine("Key = "+d.Key + ", Value = " + d.Value);
}
Console.WriteLine("Count of SortedList key-value pairs = "+sortedList.Count);
sortedList.Clear();
Console.WriteLine("Count of SortedList (updated) = "+sortedList.Count);
}
}输出结果
这将产生以下输出-
SortedList elements... Key = A, Value = 1 Key = B, Value = 2 Key = C, Value = 3 Key = D, Value = 4 Key = E, Value = 5 Key = F, Value = 6 Key = G, Value = 7 Key = H, Value = 8 Key = I, Value = 9 Key = J, Value = 10 Count of SortedList key-value pairs = 10 Count of SortedList (updated) = 0
示例
让我们看另一个例子-
using System;
using System.Collections;
public class Demo {
public static void Main(String[] args){
SortedList sortedList = new SortedList();
sortedList.Add("One", "1");
sortedList.Add("Two", "2");
sortedList.Add("Three", "3");
sortedList.Add("Four", "4");
sortedList.Add("Five", "5");
sortedList.Add("Six", "6");
sortedList.Add("Seven", "7");
sortedList.Add("Eight", "8");
sortedList.Add("Nine", "9");
sortedList.Add("Ten", "10");
Console.WriteLine("Count of SortedList key-value pairs = "+sortedList.Count);
Console.WriteLine("Enumerator to iterate through the SortedList...");
IDictionaryEnumerator demoEnum = sortedList.GetEnumerator();
while (demoEnum.MoveNext())
Console.WriteLine("Key = " + demoEnum.Key + ", Value = " + demoEnum.Value);
}
}输出结果
这将产生以下输出-
Count of SortedList key-value pairs = 10 Enumerator to iterate through the SortedList... Key = Eight, Value = 8 Key = Five, Value = 5 Key = Four, Value = 4 Key = Nine, Value = 9 Key = One, Value = 1 Key = Seven, Value = 7 Key = Six, Value = 6 Key = Ten, Value = 10 Key = Three, Value = 3 Key = Two, Value = 2