using System;
using System.Windows.Forms;

namespace ConversionProgressGUI
{
    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.Windows.Forms;

using BytescoutImageToVideo;

namespace ConversionProgressGUI
{
    public partial class Form1 : Form
    {
        public const int WM_APP = 0x8000;
        public const int WM_CONVERSION_PROGRESS = WM_APP + 1;

        ImageToVideo converter = new ImageToVideo();

        public Form1()
        {
            InitializeComponent();

            converter.RegistrationName = "demo";
            converter.RegistrationKey = "demo";
        }

        private void buttonConvert_Click(object sender, EventArgs e)
        {
            if (!converter.IsRunning)
            {
                // Add images and set the duration for every slide
                Slide slide;
                slide = converter.AddImageFromFileName("..\\..\\..\\..\\slide1.jpg");
                slide.Duration = 3000; // 3000ms = 3s
                slide = converter.AddImageFromFileName("..\\..\\..\\..\\slide2.jpg");
                slide.Duration = 3000;
                slide = converter.AddImageFromFileName("..\\..\\..\\..\\slide3.jpg");
                slide.Duration = 3000;

                // Set output video size
                converter.OutputWidth = 400;
                converter.OutputHeight = 300;

                // Set output video file name
                converter.OutputVideoFileName = "result.wmv";

                // Set progress notification target window
                converter.SetProgressNotifyWindow(Handle.ToInt32(), WM_CONVERSION_PROGRESS, 0);

                // Run the conversion
                converter.Run();
            }
        }

        protected override void WndProc(ref Message m)
        {
            if (m.HWnd == Handle && m.Msg == WM_CONVERSION_PROGRESS)
            {
                progressBar1.Value = m.WParam.ToInt32();
            }

            base.WndProc(ref m);
        }
    }
}