Created
June 3, 2014 23:30
-
-
Save Fhernd/325b94460d286a2f126e to your computer and use it in GitHub Desktop.
Demostración del uso del operador as en C#.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
using System; | |
namespace Recetas.Cap03 | |
{ | |
internal class ClaseA { } | |
internal class ClaseB { } | |
internal class Aplicacion | |
{ | |
public static void Main() | |
{ | |
// Arreglo de instancias Object: | |
object[] arregloObject = new object[6]; | |
// Agrega elementos al arreglo `arregloObject`: | |
arregloObject[0] = new ClaseA(); | |
arregloObject[1] = new ClaseB(); | |
arregloObject[2] = "Blog xCSw"; | |
arregloObject[3] = 13; | |
arregloObject[4] = 17.9; | |
arregloObject[5] = null; | |
for (int i = 0; i < arregloObject.Length; ++i) | |
{ | |
// Uso del operador as para convertir a string: | |
string cadena = arregloObject[i] as string; | |
Console.Write("{0}: ", i.ToString()); | |
if ( cadena != null) | |
{ | |
Console.WriteLine("'{0}'", cadena); | |
} | |
else | |
{ | |
Console.WriteLine("El elemento en {0} no es un objeto de string.", i.ToString()); | |
} | |
} | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment