El método StringDictionary.Clear se usa para eliminar todas las entradas del StringDictionary.
Sintaxis:
public virtual void Clear ();
Excepción: este método generará la excepción NotSupportedException si StringDictionary es de solo lectura.
Ejemplo:
// C# code to remove all entries
// from the StringDictionary
using System;
using System.Collections;
using System.Collections.Specialized;
class GFG {
// Driver code
public static void Main()
{
// Creating a StringDictionary named myDict
StringDictionary myDict = new StringDictionary();
// Adding key and value into the StringDictionary
myDict.Add("A", "Apple");
myDict.Add("B", "Banana");
myDict.Add("C", "Cat");
myDict.Add("D", "Dog");
myDict.Add("E", "Elephant");
myDict.Add("F", "Fish");
// Displaying the keys and values in StringDictionary
Console.WriteLine("The number of key/value pairs are : " + myDict.Count);
foreach(DictionaryEntry dic in myDict)
{
Console.WriteLine(dic.Key + " " + dic.Value);
}
// Removing all entries from the StringDictionary
myDict.Clear();
// Displaying the keys and values in StringDictionary
Console.WriteLine("The number of key/value pairs are : " + myDict.Count);
foreach(DictionaryEntry dic in myDict)
{
Console.WriteLine(dic.Key + " " + dic.Value);
}
}
}
Producción:
The number of key/value pairs are : 6 b Banana c Cat a Apple f Fish d Dog e Elephant The number of key/value pairs are : 0
Nota: Este método es una operación O(n), donde n es Count.
Referencia:
Publicación traducida automáticamente
Artículo escrito por Sahil_Bansall y traducido por Barcelona Geeks. The original can be accessed here. Licence: CCBY-SA