using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Gecko;
using Gecko.Utils;
using System.IO;


namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            Xpcom.Initialize(@"C:\Program Files\xulrunner");
            geckoWebBrowser1.Navigate("www.google.pl");

        }
        private void button1_Click(object sender, System.EventArgs e)
        {
            GeckoDocument document = geckoWebBrowser1.Document;
            GeckoHtmlElement p = document.GetHtmlElementById("gbqfq");
            GeckoHtmlElement Button = document.GetHtmlElementById("gbqfba");
            p.SetAttribute("value", textBox1.Text);
            Button.Click();
        }

    }
}