OpenUrlForm.cs

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

namespace babgvant.EVRPlay
{
    public partial class OpenUrlForm : Form
    {
        public string Value
        {
            get
            {
                return txtUrl.Text;
            }
            set
            {
                txtUrl.Text = value;
            }
        }

        public OpenUrlForm()
        {
            InitializeComponent();
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(txtUrl.Text))
            {
                MessageBox.Show("A value must be entered");
                return;
            }
            else
            {
                this.DialogResult = DialogResult.OK;
                this.Close();
            }
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
            this.Close();
        }
    }
}