Create User Interface Controls at Runtime

Visual studio provides a very rich tool box, useful to create nice UI, but what if we are in need create those controls at run time, sure we could , that's what I am going to demonstrate now.

Code behind the form

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 CreateUserInterfaceControlsAt_RunTime

{
    public partial class Form1 : Form
    {         buttonCount = 0;
        int textBoxCount = 0;
        int ty = 100;
        int by = 100; 

        public Form()

        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            by+=40;
            buttonCount++;
            Button b = new Button();
            b.Name = "MyButton" + buttonCount.ToString();
            b.Text = "MyButton" + buttonCount.ToString(); ;
            b.Size = new Size(100, 35);
             Point p = new Point(20, by);
            b.Location = p;
            this.Controls.Add(b);
        } 
        private void button2_Click(object sender, EventArgs e)
        {
            ty += 20;
            textBoxCount++;
            TextBox tx = new TextBox();
            tx.Name = "MyTextBox" + textBoxCount.ToString();
            tx.Text = "MyTextBox" + textBoxCount.ToString(); ;
            tx.Size = new Size(100, 35);
            Point p = new Point(250, ty);
            tx.Location = p;
            this.Controls.Add(tx);
        }
    }
}

The UI

Let's explain the code, It is very simple :

1. Create your instance of the wished control:
   
   Ex : Button b=new Button() ;
    
2. Then give it it's property values: name, location..
    
3. And the key is to add it to the form to be shown: this.Controls.Add(b)