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 SOH.Window
{
    public partial class VerificationForm : Form
    {
        public VerificationForm()
        {
            InitializeComponent();
        }

        private void VerificationForm_Load(object sender, EventArgs e)
        {

        }
        private bool m_nonNumberEntered = false;
        public void m_textBox_KeyDown(object sender, KeyEventArgs e)
        {
            m_nonNumberEntered = false;
            if (e.KeyCode < Keys.D0 || e.KeyCode > Keys.D9)
            {
                if (e.KeyCode < Keys.NumPad0 || e.KeyCode > Keys.NumPad9)
                {
                    if (e.KeyCode != Keys.Back)
                    {
                        m_nonNumberEntered = true;
                    }
                }
            }
        }
        public void m_textBox_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (m_nonNumberEntered)
            {
                e.Handled = true;
            }
        }
    }
}