C#

using System;
using System.Collections.Generic;
using System.Windows.Forms;

namespace WindowsFormsTestApp
{
    public partial class Form1 : Form
    {
        private List<TextBox> textBoxes;
        private int textBoxCounter = 0;

        public Form1()
        {
            InitializeComponent();
            textBoxes = new List<TextBox>(new TextBox[]{
                textBox1,
                textBox2,
                textBox3 // etc...
            });
        }

        private void button1_Click(object sender, EventArgs e)
        {
            textBoxes[textBoxCounter].Enabled = true;
            textBoxCounter++;
            if (textBoxCounter == textBoxes.Count)
                button1.Enabled = false;
        }
    }
}

using System;
using System.Collections.Generic;
using System.Windows.Forms;

namespace WindowsFormsTestApp
{
    public partial class Form1 : Form
    {
        private Queue<TextBox> textBoxes;

        public Form1()
        {
            InitializeComponent();
            textBoxes = new Queue<TextBox>(new TextBox[]{
                textBox1,
                textBox2,
                textBox3
            });
        }

        private void button1_Click(object sender, EventArgs e)
        {
            textBoxes.Dequeue().Enabled = true;
            button1.Enabled = textBoxes.Count > 0;
        }
    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace datori_konf
{
    public partial class datoru_konf : Form
    {
private Queue<TextBox> textBoxes;
 
        public datoru_konf()
        {
            InitializeComponent();
            textBoxes = new Queue<TextBox>(new TextBox[]{
               prog1,
               prog2,
               prog3,
               prog4,
               prog5,
               prog6,
               prog7,
               prog8,
               prog9,
               prog10,
               prog11,
               prog12,
               prog13,
               prog14,
               prog15,
               prog16,
               prog17,
               prog18,
               prog19,
               prog20
            });
        }

private void button4_Click(object sender, EventArgs e)
        {
            this.Close();
        }

private void button2_Click(object sender, EventArgs e)
        {
            Form2 form = new Form2();
            form.ShowDialog();
        }
private void button1_Click(object sender, EventArgs e)
        {
            textBoxes.Dequeue().Enabled = true;
            button1.Enabled = textBoxes.Count > 0;
        }

    }
}

gopalmahadak wrote:

i want

sunilkpv wrote:

When this application is run by a non-admin user (by elevating the app with
admin rights)

enum selectSentMode { sent, notSent, sentError }

selectSentMode sentStatus ;

sentstatus = selectSentMode.sent ;

switch ( sentstatus )

case selectSentMode.sent :