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法律學從 C# 中的 StringDictionary 移除具有指定鍵的條目
以下為從 StringDictionary 中移除具有指定鍵的條目的程式碼：
示例
using System;
using System.Collections;
using System.Collections.Specialized;
public class Demo {
public static void Main() {
StringDictionary strDict1 = new StringDictionary();
strDict1.Add("A", "John");
strDict1.Add("B", "Andy");
strDict1.Add("C", "Tim");
strDict1.Add("D", "Ryan");
strDict1.Add("E", "Kevin");
strDict1.Add("F", "Katie");
strDict1.Add("G", "Brad");
Console.WriteLine("StringDictionary1 key-value pairs...");
foreach(DictionaryEntry de in strDict1) {
Console.WriteLine(de.Key + " " + de.Value);
}
strDict1.Remove("D");
Console.WriteLine("
StringDictionary1 key-value pairs after removing a key...");
foreach(DictionaryEntry de in strDict1) {
Console.WriteLine(de.Key + " " + de.Value);
}
StringDictionary strDict2 = new StringDictionary();
strDict2.Add("1", "A");
strDict2.Add("2", "B");
strDict2.Add("3", "C");
strDict2.Add("4", "D");
strDict2.Add("5", "E");
Console.WriteLine("
StringDictionary2 key-value pairs...");
IEnumerator demoEnum = strDict2.GetEnumerator();
DictionaryEntry d;
while (demoEnum.MoveNext()) {
d = (DictionaryEntry)demoEnum.Current;
Console.WriteLine("Key = " + d.Key + ", Value = " + d.Value);
}
}
}輸出
此程式碼將生成以下輸出：
StringDictionary1 key-value pairs... a John b Andy c Tim d Ryan e Kevin f Katie g Brad StringDictionary1 key-value pairs after removing a key... a John b Andy c Tim e Kevin f Katie g Brad StringDictionary2 key-value pairs... Key = 1, Value = A Key = 2, Value = B Key = 3, Value = C Key = 4, Value = D Key = 5, Value = E
示例
讓我們看另一個示例：
using System;
using System.Collections;
using System.Collections.Specialized;
public class Demo {
public static void Main() {
StringDictionary strDict1 = new StringDictionary();
strDict1.Add("A", "One");
strDict1.Add("B", "Two");
strDict1.Add("C", "Three");
strDict1.Add("D", "Four");
strDict1.Add("E", "Five");
Console.WriteLine("StringDictionary1 key-value pairs...");
foreach(DictionaryEntry de in strDict1) {
Console.WriteLine(de.Key + " " + de.Value);
}
strDict1.Remove("B");
strDict1.Remove("C");
Console.WriteLine("
StringDictionary1 key-value pairs after removing a key...");
foreach(DictionaryEntry de in strDict1) {
Console.WriteLine(de.Key + " " + de.Value);
}
}
}輸出
此程式碼將生成以下輸出：
StringDictionary1 key-value pairs... a One b Two c Three d Four e Five StringDictionary1 key-value pairs after removing a key... a One d Four e Five
更新日期：2019 年 12 月 5 日
70 次瀏覽
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