Array::GetAt

GetAt

1 Description
2 Syntax
3 Parameters
4 Return
5 Examples
6 Remark
7 See Also
8 header to Include

Description

Provides access to an element in the array

Syntax

_TemplType GetAt( int nIndex )const

Parameters

nIndex: [input] The array index which is queried for the element

Return

Returns a reference to the object at the requested index

Examples

EX1

#include <Array.h>
struct PERSON
{
        int nID;
};
void Array_GetAt_ex1()
{
        Array<PERSON&> arp(true);
        int nTotal = 5;
        for ( int ii = 0; ii < nTotal; ii++ )
        {
                PERSON* pp = new PERSON;
                //assume memory allocated successfully.
                pp->nID = ii + 1;
                arp.Add(*pp);
        }
        //get the middle item to change its value.
        int nMid = nTotal/2;
        if ( nMid < nTotal )
        {
                PERSON& pm = arp.GetAt(nMid);
                pm.nID = 12345;
        }
        for ( ii = 0; ii < nTotal; ii++ )
                printf("Person %d's ID is : %d\n", ii + 1, arp.GetAt(ii).nID);
                
}