C# ArrayList LastIndexOf(Object)
Description
ArrayList LastIndexOf(Object) searches for the specified
Object and returns the zero-based index of the last occurrence within the
entire ArrayList.
Syntax
ArrayList.LastIndexOf(Object) has the following syntax.
public virtual int LastIndexOf(
Object value
)
Parameters
ArrayList.LastIndexOf(Object) has the following parameters.
value- The Object to locate in the ArrayList. The value can be null.
Returns
ArrayList.LastIndexOf(Object) method returns The zero-based index of the last occurrence of value within the entire the
ArrayList, if found; otherwise, -1.
Example
The following code example shows how to determine the index of the last occurrence of a specified element.
using System;/*from w w w.ja va 2 s. com*/
using System.Collections;
public class SamplesArrayList {
public static void Main() {
ArrayList myAL = new ArrayList();
myAL.Add( "A" );
myAL.Add( "B" );
myAL.Add( "C" );
myAL.Add( "D" );
myAL.Add( "E" );
myAL.Add( "F" );
myAL.Add( "G" );
myAL.Add( "H" );
myAL.Add( "I" );
myAL.Add( "J" );
myAL.Add( "K" );
myAL.Add( "L" );
String myString = "G";
int myIndex = myAL.LastIndexOf( myString );
Console.WriteLine(myIndex );
myIndex = myAL.LastIndexOf( myString, 8 );
Console.WriteLine(myIndex );
myIndex = myAL.LastIndexOf( myString, 10, 6 );
Console.WriteLine( myIndex );
}
}
The code above generates the following result.
