how to get the value of a control if it 's handle is zero?

Question

I've known that a control gets its handle when it can be seen the first time.
My problem is that in my program , I want to get the value of a  control in anther forms(not created by me).When I use the API "ChildWindowFormPointEx" , it returns zero--it hasn't been seen ever--so I can't get it .
Who can help me? Thanks in advance!

Answer 1

Try this:

import java.io.*;

import java.util.*;

public class Catalin

{

   public static void main(String[] args)

   {

       ArrayList<Integer> sumsList = new ArrayList<Integer>();

       try

       {

          BufferedReader br = new BufferedReader(new FileReader("catalin.txt"));

          String line;

          while ((line = br.readLine()) != null) 

          {

             String[] items = line.split(";");

             int number = Integer.parseInt(items[1]);

             int number2 = Integer.parseInt(items[2]);

             sumsList.add(number + number2);

          }

          br.close();

       }

       catch(IOException e)

       {

          System.out.println("I/O Error : " + e);

       }

       

       // convert ArrayList<Integer> to int[]

       int[] sumsArray = new int[sumsList.size()];

       for(int i = 0; i < sumsArray.length; i++) sumsArray[i] = sumsList.get(i);

       System.out.println("Line Sum");

       System.out.println("---- ---");

       for(int i = 0; i < sumsArray.length; i++)

       { 

          System.out.println((i + 1) + "     " + sumsArray[i]);

       }

   }

}