// x64 IMPORTANT NOTE: set CPU to x86 to build in x86 mode. WHY? Because flash is not supported on x64 platform currently at all
using System;
using System.Collections.Generic;
using System.Windows.Forms;

namespace PreviewContext
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }
    }
}

using System;
using System.Drawing;
using System.Windows.Forms;

using BytescoutSWFToVideo;

namespace PreviewContext
{
    public partial class Form1 : Form
    {
        Graphics m_g;
        IntPtr m_hdc;
        SWFToVideoClass swf = new SWFToVideoClass();

        public Form1()
        {
            InitializeComponent();
        }

        private void buttonConvert_Click(object sender, EventArgs e)
        {
            if (!swf.IsRunning)
            {
                swf.SWFConversionMode = SWFConversionModeType.SWFWithLiveData;
                swf.ConversionTimeOut = 15000;

                swf.InputSWFFileName = "test.swf";

        // you may calculate output video duration using information about the the source swf movie
        // WARNING #1: this method to calculate the output video duration is not working for movies with dynamic scenes 
        // and interactive scripts as in these movies it is not possible to calculate the precise duration of the movie 
        // WARNING #2: you should set the input swf or flv filename (or url) before this calculation

        // So the movie duration is calculated as the following:
        // as swf frame count (number of frames in the swf) / movieFPS (frames per second defined in swf)
        // and then multiplied by 1000 (as we are setting the .ConverstionTimeout in milliseconds)
        // as the following (uncomment if you want to set the length of the output video to the same as the original swf)
        // or as the following source code (uncomment to enable):

        // swf.ConversionTimeout = 1000 * (swf.FrameCount / swf.MovieFPS)

                swf.OutputVideoFileName = "test.wmv";
                swf.OutputWidth = 640;
                swf.OutputHeight = 480;

                swf.SetPreviewContext(m_hdc.ToInt32(), 0, 0, pictureBox1.Width, pictureBox1.Height, 30);
                swf.Run();
            }
        }

        private void Form1_Shown(object sender, EventArgs e)
        {
            m_g = pictureBox1.CreateGraphics();
            m_hdc = m_g.GetHdc();
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            m_g.ReleaseHdc(m_hdc);
            m_g.Dispose();

            // release resources
            System.Runtime.InteropServices.Marshal.ReleaseComObject(swf);
            swf = null;

        }
    }
}