Форма не реагирует на запросы

using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.Core;
 
 
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        void ShowProgress(object sender, ProgressEventArgs e)
        {
            progressBar1.Value = Convert.ToInt32(e.PercentComplete);
        }
 
        void ProcessFile(object sender, ScanEventArgs e)
        {
            label1.Text = e.Name;
        }
 
        void ProcessDirectory(object sender, DirectoryEventArgs e)
        {
            if (!e.HasMatchingFiles)
            {
                label2.Text = e.Name;
            }
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            FastZipEvents events = new FastZipEvents();
 
            TimeSpan interval = TimeSpan.FromSeconds(1);
 
            events.ProcessDirectory = new ProcessDirectoryHandler(ProcessDirectory);
            events.ProcessFile = new ProcessFileHandler(ProcessFile);
 
            events.Progress = new ProgressHandler(ShowProgress);
            events.ProgressInterval = interval;
 
            FastZip fZip = new FastZip(events);
 
            fZip.CreateZip(@"C:\archive.zip", @"C:\test", true, "");
        }
    }
}

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;
using System.Threading;
using System.IO;
 
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.Core;
 
 
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
 
            UpdateUI = new Action<object,ProgressEventArgs>(delegate(object sender, ProgressEventArgs e)
            {
                progressBar1.Value = Convert.ToInt32(e.PercentComplete);
            });
 
            UpdateFile = new Action<object, ScanEventArgs>(delegate(object sender, ScanEventArgs e)
            {
                label1.Text = e.Name;
            });
 
            UpdateDir = new Action<object, DirectoryEventArgs>(delegate(object sender, DirectoryEventArgs e)
            {
                if (!e.HasMatchingFiles)
                {
                    this.label2.Text = e.Name;
                }
            });
        }
 
        private Action<object, ProgressEventArgs> UpdateUI;
        private Action<object, ScanEventArgs> UpdateFile;
        private Action<object, DirectoryEventArgs> UpdateDir;
        private delegate void Action();
        private delegate void Action<T>(T value);
 
        private void ProgressZip(object sender, ProgressEventArgs e)
        {
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            FastZipEvents events = new FastZipEvents();
 
            TimeSpan interval = TimeSpan.FromSeconds(1);
 
            events.ProcessDirectory = new ProcessDirectoryHandler(UpdateDir);
            events.ProcessFile = new ProcessFileHandler(UpdateFile);
            events.Progress = new ProgressHandler(UpdateUI);
            events.ProgressInterval = interval;
 
            FastZip fZip = new FastZip(events);
 
            new Action(delegate() {fZip.CreateZip(@"C:\file.zip", @"C:\test1", true, ""); }).BeginInvoke(null, null);
        }
 
    }
 
}