从C#中的OrderedDictionary中删除指定索引处的条目
要从OrdererdDictionary中删除指定索引处的条目，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.RemoveAt(4);
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)= 5
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");
dict.Add("3", "MN");
dict.Add("4", "PQ");
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.RemoveAt(1);
dict.RemoveAt(2);
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
3 MN
4 PQ
Count of elements in OrderedDictionary = 4
Count of elements in OrderedDictionary (Updated)= 2
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