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Método ArrayList.AddRange (ICollection)

 

Publicado: octubre de 2016

Agrega los elementos de ICollection al final de ArrayList.

Espacio de nombres:   System.Collections
Ensamblado:  mscorlib (en mscorlib.dll)

public virtual void AddRange(
	ICollection c
)

Parámetros

c
Type: System.Collections.ICollection

ICollection cuyos elementos deben agregarse al final de ArrayList. La propia colección no puede ser null, pero puede contener elementos que sean null.

Exception Condition
ArgumentNullException

El valor de c es null.

NotSupportedException

ArrayList es de solo lectura.

O bien

ArrayList tiene un tamaño fijo.

ArrayList accepts null as a valid value and allows duplicate elements.

The order of the elements in the T:System.Collections.ICollection is preserved in the T:System.Collections.ArrayList.

If the new P:System.Collections.ArrayList.Count (the current P:System.Collections.ArrayList.Count plus the size of the collection) will be greater than P:System.Collections.ArrayList.Capacity, the capacity of the T:System.Collections.ArrayList is increased by automatically reallocating the internal array to accommodate the new elements, and the existing elements are copied to the new array before the new elements are added.

If the T:System.Collections.ArrayList can accommodate the new elements without increasing the P:System.Collections.ArrayList.Capacity, this method is an O(n) operation, where n is the number of elements to be added. If the capacity needs to be increased to accommodate the new elements, this method becomes an O(n + m) operation, where n is the number of elements to be added and m is P:System.Collections.ArrayList.Count.

The following code example shows how to add elements to the T:System.Collections.ArrayList.

using System;
using System.Collections;
public class SamplesArrayList  {

   public static void Main()  {

      // Creates and initializes a new ArrayList.
      ArrayList myAL = new ArrayList();
      myAL.Add( "The" );
      myAL.Add( "quick" );
      myAL.Add( "brown" );
      myAL.Add( "fox" );

      // Creates and initializes a new Queue.
      Queue myQueue = new Queue();
      myQueue.Enqueue( "jumped" );
      myQueue.Enqueue( "over" );
      myQueue.Enqueue( "the" );
      myQueue.Enqueue( "lazy" );
      myQueue.Enqueue( "dog" );

      // Displays the ArrayList and the Queue.
      Console.WriteLine( "The ArrayList initially contains the following:" );
      PrintValues( myAL, '\t' );
      Console.WriteLine( "The Queue initially contains the following:" );
      PrintValues( myQueue, '\t' );

      // Copies the Queue elements to the end of the ArrayList.
      myAL.AddRange( myQueue );

      // Displays the ArrayList.
      Console.WriteLine( "The ArrayList now contains the following:" );
      PrintValues( myAL, '\t' );
   }

   public static void PrintValues( IEnumerable myList, char mySeparator )  {
      foreach ( Object obj in myList )
         Console.Write( "{0}{1}", mySeparator, obj );
      Console.WriteLine();
   }

}


/* 
This code produces the following output.

The ArrayList initially contains the following:
    The    quick    brown    fox
The Queue initially contains the following:
    jumped    over    the    lazy    dog
The ArrayList now contains the following:
    The    quick    brown    fox    jumped    over    the    lazy    dog
*/ 

Plataforma universal de Windows
Disponible desde 10
.NET Framework
Disponible desde 1.1
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