从C#中的OrderedDictionary中删除所有元素
要从OrderedDictionary中删除所有元素，代码如下-
示例
using System;
using System.Collections;
using System.Collections.Specialized;
public class Demo {
public static void Main(){
OrderedDictionary dict = new OrderedDictionary();
dict.Add("A", "Books");
dict.Add("B", "Electronics");
dict.Add("C", "Smart Wearables");
dict.Add("D", "Pet Supplies");
dict.Add("E", "Clothing");
dict.Add("F", "Footwear");
Console.WriteLine("OrderedDictionary elements...");
foreach(DictionaryEntry d in dict){
Console.WriteLine(d.Key + " " + d.Value);
}
Console.WriteLine("Count of elements in OrderedDictionary = " + dict.Count);
dict.Clear();
Console.WriteLine("Count of elements in OrderedDictionary (Updated)= " + dict.Count);
}
}输出结果
这将产生以下输出-
OrderedDictionary elements... A Books B Electronics C Smart Wearables D Pet Supplies E Clothing F Footwear Count of elements in OrderedDictionary = 6 Count of elements in OrderedDictionary (Updated)= 0
示例
让我们看另一个例子-
using System;
using System.Collections;
using System.Collections.Specialized;
public class Demo {
public static void Main(){
OrderedDictionary dict = new OrderedDictionary();
dict.Add("1", "AB");
dict.Add("2", "CD");
Console.WriteLine("OrderedDictionary elements...");
foreach(DictionaryEntry d in dict){
Console.WriteLine(d.Key + " " + d.Value);
}
Console.WriteLine("Count of elements in OrderedDictionary = " + dict.Count);
dict.Clear();
Console.WriteLine("Count of elements in OrderedDictionary (Updated)= " + dict.Count);
}
}输出结果
这将产生以下输出-
OrderedDictionary elements... 1 AB 2 CD Count of elements in OrderedDictionary = 2 Count of elements in OrderedDictionary (Updated)= 0