Window form Locked issue

Question

Hi All,

I created one sample Window form application and posted the full code below and problem what i am facing here is form is locked,

unable to move screen of window form using mouse cursor.

using timer is mandatory in this.

 

using System;

using System.Windows.Forms;

namespace WinScreenLocked

{

   public partial class Form1 : Form

   {

      public Form1()

      {

         InitializeComponent();

      }

      int Number = 0;

      private void timer1_Tick(object sender, EventArgs e)

      {

         while (true)

         {

            textBox1.Text = Number.ToString();

            Number++;

         }

      }

      private void button1_Click(object sender, EventArgs e)

      {

         timer1.Start();

      }

   }

}