C#

namespace Innerclass
{
    class Program
    {
        public static string Share1 = "Share_Temp1";
        private static string Share2 = "Share_Temp2";
        private string Share3 = "Share_Temp3";
        public string Share4 = "Share_Temp4";

        static void Main(string[] args)
        {
            Program prg = new Program();

            ClassA clsA = new ClassA(prg);
            ClassB clsB = new ClassB(prg);
        }

        //============================================================================
        class ClassA
        {
            public ClassA(Program prg)
            {

                System.Console.WriteLine("Class A Constructor init.");
                System.Console.WriteLine("Class A Constructor init.--" + Share1 );
                System.Console.WriteLine("Class A Constructor init.--" + Share2);
                System.Console.WriteLine("Class A Constructor init.--" + prg.Share3);
                System.Console.WriteLine("Class A Constructor init.--" + prg.Share4);
            }

        }
        //============================================================================
        class ClassB
        {
            public ClassB(Program prg)
            {
                System.Console.WriteLine("Class B Constructor init.");
                System.Console.WriteLine("Class B Constructor init.--" + Share1);
                System.Console.WriteLine("Class B Constructor init.--" + Share2);
                System.Console.WriteLine("Class B Constructor init.--" + prg.Share3);
                System.Console.WriteLine("Class B Constructor init.--" + prg.Share4);
            }

        }
    }
}

AYR Chen wrote:

object obj = new object();

AYR Chen wrote:

obj = Program.

AYR Chen wrote:

I have a question about two form want to access global variable
like below, i create three classes, main class and two inner class,

shafikshafik wrote:

No overload for method 'Open' takes '13' arguments

RameshwerE wrote:

threads or delegates?

<br />
using System;<br />
using System.Collections.Generic;<br />
using System.ComponentModel;<br />
using System.Data;<br />
using System.Drawing;<br />
using System.Text;<br />
using System.Windows.Forms;<br />
 using System.Drawing.Imaging;<br />
<br />
namespace OptionFormA<br />
{<br />
    public partial class Form1 : Form<br />
    {<br />
        public Form1()<br />
        {<br />
            InitializeComponent();<br />
        }<br />
<br />
        private void button1_Click(object sender, EventArgs e)<br />
        {<br />
        }<br />
<br />
        private void Form1_Load(object sender, EventArgs e)<br />
        {<br />
            Timer t = new Timer();<br />
            t.Tick += new EventHandler(FormOpen);<br />
            t.Start();<br />
<br />
        }<br />
<br />
        private void FormOpen(object _sender, EventArgs eArgs)<br />
        {  <br />
            SubFormA sfA = new SubFormA();<br />
            sfA.Visible = true;<br />
        }<br />
    }<br />
}<br />
<br />
<br />
<br />

namespace Test2
{

    public partial class MainForm : Form
    {
        ChildForm child;

        public MainForm()
        {
            InitializeComponent();
            this.child = new ChildForm(this);
        }

        private void hideAndShowChld_Click(object sender, EventArgs e)
        {
            this.Hide();
            this.child.Show();
        }
    }



    public partial class ChildForm : Form
    {
        MainForm main;

        public ChildForm(MainForm form)
        {
            InitializeComponent();
            this.main = form;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.Hide();
            this.main.Show();

        }
    }
}