本文整理匯總了C#中System.Collections.Specialized.NameValueCollection類的典型用法代碼示例。如果您正苦於以下問題：C# NameValueCollection類的具體用法？C# NameValueCollection怎麽用？C# NameValueCollection使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
NameValueCollection類屬於System.Collections.Specialized命名空間，在下文中一共展示了NameValueCollection類的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: Main
//引入命名空間
using System;
using System.Collections;
using System.Collections.Specialized;
public class SamplesNameValueCollection {
public static void Main() {
// Creates and initializes a new NameValueCollection.
NameValueCollection myCol = new NameValueCollection();
myCol.Add( "red", "rojo" );
myCol.Add( "green", "verde" );
myCol.Add( "blue", "azul" );
myCol.Add( "red", "rouge" );
// Displays the values in the NameValueCollection in two different ways.
Console.WriteLine( "Displays the elements using the AllKeys property and the Item (indexer) property:" );
PrintKeysAndValues( myCol );
Console.WriteLine( "Displays the elements using GetKey and Get:" );
PrintKeysAndValues2( myCol );
// Gets a value either by index or by key.
Console.WriteLine( "Index 1 contains the value {0}.", myCol[1] );
Console.WriteLine( "Key \"red\" has the value {0}.", myCol["red"] );
Console.WriteLine();
// Copies the values to a string array and displays the string array.
String[] myStrArr = new String[myCol.Count];
myCol.CopyTo( myStrArr, 0 );
Console.WriteLine( "The string array contains:" );
foreach ( String s in myStrArr )
Console.WriteLine( " {0}", s );
Console.WriteLine();
// Searches for a key and deletes it.
myCol.Remove( "green" );
Console.WriteLine( "The collection contains the following elements after removing \"green\":" );
PrintKeysAndValues( myCol );
// Clears the entire collection.
myCol.Clear();
Console.WriteLine( "The collection contains the following elements after it is cleared:" );
PrintKeysAndValues( myCol );
}
public static void PrintKeysAndValues( NameValueCollection myCol ) {
Console.WriteLine( " KEY VALUE" );
foreach ( String s in myCol.AllKeys )
Console.WriteLine( " {0,-10} {1}", s, myCol[s] );
Console.WriteLine();
}
public static void PrintKeysAndValues2( NameValueCollection myCol ) {
Console.WriteLine( " [INDEX] KEY VALUE" );
for ( int i = 0; i < myCol.Count; i++ )
Console.WriteLine( " [{0}] {1,-10} {2}", i, myCol.GetKey(i), myCol.Get(i) );
Console.WriteLine();
}
}輸出：
Displays the elements using the AllKeys property and the Item (indexer) property: KEY VALUE red rojo,rouge green verde blue azul Displays the elements using GetKey and Get: [INDEX] KEY VALUE [0] red rojo,rouge [1] green verde [2] blue azul Index 1 contains the value verde. Key "red" has the value rojo,rouge. The string array contains: rojo,rouge verde azul The collection contains the following elements after removing "green": KEY VALUE red rojo,rouge blue azul The collection contains the following elements after it is cleared: KEY VALUE