Array.Reverse Method (Array)

Reverses the sequence of the elements in the entire one-dimensional Array.

Parameters

• array
  Type: System.Array
  The one-dimensional Array to reverse.

Public Class Example
 Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
 ' Creates and initializes a new Array.
 Dim myArray As Array = Array.CreateInstance(GetType(String), 9)
 myArray.SetValue("The", 0)
 myArray.SetValue("quick", 1)
 myArray.SetValue("brown", 2)
 myArray.SetValue("fox", 3)
 myArray.SetValue("jumps", 4)
 myArray.SetValue("over", 5)
 myArray.SetValue("the", 6)
 myArray.SetValue("lazy", 7)
 myArray.SetValue("dog", 8)
 ' Displays the values of the Array.
 outputBlock.Text &= "The Array initially contains the " _
 + "following values:" & vbCrLf
 PrintIndexAndValues(outputBlock, myArray)
 ' Reverses the sort of the values of the Array.
 Array.Reverse(myArray)
 ' Displays the values of the Array.
 outputBlock.Text &= "After reversing:" & vbCrLf
 PrintIndexAndValues(outputBlock, myArray)
 End Sub 'Main
 Public Shared Sub PrintIndexAndValues(ByVal outputBlock As System.Windows.Controls.TextBlock, ByVal myArray As Array)
 Dim i As Integer
 For i = myArray.GetLowerBound(0) To myArray.GetUpperBound(0)
 outputBlock.Text &= String.Format(ControlChars.Tab + "[{0}]:" + ControlChars.Tab _
 + "{1}", i, myArray.GetValue(i)) & vbCrLf
 Next i
 End Sub
End Class
' This code produces the following output.
' 
' The Array initially contains the following values:
' [0]: The
' [1]: quick
' [2]: brown
' [3]: fox
' [4]: jumps
' [5]: over
' [6]: the
' [7]: lazy
' [8]: dog
' After reversing:
' [0]: dog
' [1]: lazy
' [2]: the
' [3]: over
' [4]: jumps
' [5]: fox
' [6]: brown
' [7]: quick
' [8]: The 

using System;
public class Example
{
 public static void Demo(System.Windows.Controls.TextBlock outputBlock)
 {
 // Creates and initializes a new Array.
 Array myArray = Array.CreateInstance(typeof(String), 9);
 myArray.SetValue("The", 0);
 myArray.SetValue("quick", 1);
 myArray.SetValue("brown", 2);
 myArray.SetValue("fox", 3);
 myArray.SetValue("jumps", 4);
 myArray.SetValue("over", 5);
 myArray.SetValue("the", 6);
 myArray.SetValue("lazy", 7);
 myArray.SetValue("dog", 8);
 // Displays the values of the Array.
 outputBlock.Text += "The Array initially contains the following values:" + "\n";
 PrintIndexAndValues(outputBlock, myArray);
 // Reverses the sort of the values of the Array.
 Array.Reverse(myArray);
 // Displays the values of the Array.
 outputBlock.Text += "After reversing:" + "\n";
 PrintIndexAndValues(outputBlock, myArray);
 }
 public static void PrintIndexAndValues(System.Windows.Controls.TextBlock outputBlock, Array myArray)
 {
 for (int i = myArray.GetLowerBound(0); i <= myArray.GetUpperBound(0); i++)
 outputBlock.Text += String.Format("\t[{0}]:\t{1}", i, myArray.GetValue(i)) + "\n";
 }
}
/* 
This code produces the following output.
The Array initially contains the following values:
 [0]: The
 [1]: quick
 [2]: brown
 [3]: fox
 [4]: jumps
 [5]: over
 [6]: the
 [7]: lazy
 [8]: dog
After reversing:
 [0]: dog
 [1]: lazy
 [2]: the
 [3]: over
 [4]: jumps
 [5]: fox
 [6]: brown
 [7]: quick
 [8]: The
*/

Array Class

Reverse Overload

System Namespace