Desktop Activity Recording

using System;
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 System.Windows;
using Microsoft.Expression.Encoder;
using Microsoft.Expression.Encoder.Devices;
using Microsoft.Expression.Encoder.ScreenCapture;
namespace WindowsFormsApplication4
{
    public partial class Form1: Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        ScreenCaptureJob job = new ScreenCaptureJob();
        private void button1_Click(object sender, EventArgs e)
        {
            //// You can capture a window by setting its coordinates here
            //job.CaptureRectangle = new Rectangle(0, 0, SystemInformation.VirtualScreen.Width, SystemInformation.VirtualScreen.Height);
            //// Include the mouse pointer in the captured video
            //job.CaptureMouseCursor = true;
            //System.IO.File.Delete(@"D:\capture.xesc");
            //// Output file; you can transcode the xesc file to something else later.
            //// Note that this silently does nothing if the file already exists.
            //job.OutputScreenCaptureFileName = @"D:\capture.xesc";
            //// Do some capture
            //job.Start();
            // And stop
            job.CaptureRectangle = new Rectangle(0, 0, SystemInformation.VirtualScreen.Width, SystemInformation.VirtualScreen.Height);
            job.ScreenCaptureVideoProfile.Size = new Size(SystemInformation.VirtualScreen.Width, SystemInformation.VirtualScreen.Height); //By doing this Is it supposed to resize original size to 600x400 pixels?
            job.ScreenCaptureVideoProfile.AutoFit = true;
            job.ShowFlashingBoundary = false;
            job.ScreenCaptureVideoProfile.FrameRate = 20;
            job.CaptureMouseCursor = true;
            job.ScreenCaptureVideoProfile.SmoothStreaming = true;
            job.ScreenCaptureVideoProfile.Quality = 20;
            foreach(EncoderDevice eda in EncoderDevices.FindDevices(EncoderDeviceType.Audio))
            {
                job.AddAudioDeviceSource(eda);
            }
            System.IO.File.Delete(@ "D:\test.wmv");
            job.OutputScreenCaptureFileName = string.Format(@ "D:\test.wmv");
            // Do some capture
            job.Start();
            // And stop
        }
        private void j_EncodeProgress(object sender, EncodeProgressEventArgs e)
        {}
        private void button2_Click(object sender, EventArgs e)
        {
            string path = job.OutputScreenCaptureFileName;
            job.Stop();
        }
        private void button3_Click(object sender, EventArgs e)
        {}
        private void button3_Click_1(object sender, EventArgs e)
        {
            axWindowsMediaPlayer1.URL = @ "D:\test.wmv";
        }
    }
}