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Array.GetValue (Método) (Int32, Int32)

 

Gets the value at the specified position in the two-dimensional Array. The indexes are specified as 32-bit integers.

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

public object GetValue(
	int index1,
	int index2
)

Parámetros

index1
Type: System.Int32

A 32-bit integer that represents the first-dimension index of the Array element to get.

index2
Type: System.Int32

A 32-bit integer that represents the second-dimension index of the Array element to get.

Valor devuelto

Type: System.Object

The value at the specified position in the two-dimensional Array.

Exception Condition
ArgumentException

The current Array does not have exactly two dimensions.

IndexOutOfRangeException

Either index1 or index2 is outside the range of valid indexes for the corresponding dimension of the current Array.

The M:System.Array.GetLowerBound(System.Int32) and M:System.Array.GetUpperBound(System.Int32) methods can determine whether any of the indexes is out of bounds.

This method is an O(1) operation.

The following code example demonstrates how to set and get a specific value in a one-dimensional or multidimensional array.

using System;

public class SamplesArray  {

   public static void Main()  {

      // Creates and initializes a one-dimensional array.
      String[] myArr1 = new String[5];

      // Sets the element at index 3.
      myArr1.SetValue( "three", 3 );
      Console.WriteLine( "[3]:   {0}", myArr1.GetValue( 3 ) );


      // Creates and initializes a two-dimensional array.
      String[,] myArr2 = new String[5,5];

      // Sets the element at index 1,3.
      myArr2.SetValue( "one-three", 1, 3 );
      Console.WriteLine( "[1,3]:   {0}", myArr2.GetValue( 1, 3 ) );


      // Creates and initializes a three-dimensional array.
      String[,,] myArr3 = new String[5,5,5];

      // Sets the element at index 1,2,3.
      myArr3.SetValue( "one-two-three", 1, 2, 3 );
      Console.WriteLine( "[1,2,3]:   {0}", myArr3.GetValue( 1, 2, 3 ) );


      // Creates and initializes a seven-dimensional array.
      String[,,,,,,] myArr7 = new String[5,5,5,5,5,5,5];

      // Sets the element at index 1,2,3,0,1,2,3.
      int[] myIndices = new int[7] { 1, 2, 3, 0, 1, 2, 3 };
      myArr7.SetValue( "one-two-three-zero-one-two-three", myIndices );
      Console.WriteLine( "[1,2,3,0,1,2,3]:   {0}", myArr7.GetValue( myIndices ) );

   }

}


/* 
This code produces the following output.

[3]:   three
[1,3]:   one-three
[1,2,3]:   one-two-three
[1,2,3,0,1,2,3]:   one-two-three-zero-one-two-three

*/

.NET Framework
Disponible desde 1.1
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