要创建具有指定初始大小的区分大小写的HybridDictionary,代码如下-
using System; using System.Collections; using System.Collections.Specialized; public class Demo { public static void Main(){ HybridDictionary myDict = new HybridDictionary(5, false); myDict.Add("A", "AB"); myDict.Add("B", "BC"); myDict.Add("C", "DE"); myDict.Add("D", "FG"); myDict.Add("e", "fg"); Console.WriteLine("Key/Value pairs..."); foreach(DictionaryEntry de in myDict) Console.WriteLine("Key = "+de.Key + ", Value = " + de.Value); } }
输出结果
这将产生以下输出-
Key/Value pairs... Key = A, Value = AB Key = B, Value = BC Key = C, Value = DE Key = D, Value = FG Key = e, Value = fg
现在让我们来看另一个示例-
using System; using System.Collections; using System.Collections.Specialized; public class Demo { public static void Main(){ HybridDictionary myDict = new HybridDictionary(5, true); myDict.Add("A", "AB"); myDict.Add("B", "BC"); myDict.Add("C", "DE"); myDict.Add("e", "fg"); myDict.Add("E", "FG"); Console.WriteLine("key/Value pairs..."); foreach(DictionaryEntry de in myDict) Console.WriteLine("Key = "+de.Key + ", Value = " + de.Value); } }
输出结果
这将产生以下错误-
Run-time exception : An entry with the same key already exists. Stack Trace: [System.ArgumentException: An entry with the same key already exists.] at System.Collections.Specialized.ListDictionary.Add(Object key, Object value) at System.Collections.Specialized.HybridDictionary.Add(Object key, Object value) at Demo.Main() :line 15