private void vScrollBar1_ValueChanged(object sender, EventArgs e)
 {
     if (sessionExists)
     {
         imageCounter = vScrollBar1.Value;
         picture      = File.ReadAllBytes(pathToDocument + "\\EncryptedImage" + imageCounter);
         if (refreshThread != null)
         {
             refreshThread.Abort();
         }
         //ProtectedDisplayWrapper.closePavpSession();
         sessionExists = false;
         //call the show function with the encrypted image and the window handle.
         if (ProtectedDisplayWrapper.showImage(picture, panel.Handle))
         {
             sessionExists = true;
             //start a refresh thread that refreshes the image peridically
             refreshThread = new Thread(new ThreadStart(refresh));
             refreshThread.Start();
         }
         else
         {
             MessageBox.Show("Failed to show image. " + ProtectedDisplayWrapper.getError());
         }
     }
 }
        public Form1()
        {
            InitializeComponent();
            //load the pre-encrypted image from the disk
            picture       = File.ReadAllBytes(pathToDocument + "\\EncryptedImage0");
            sessionExists = false;

            panel.MouseWheel += new System.Windows.Forms.MouseEventHandler(panel_MouseWheel);

            // Panel offset
            panelWidthOffset  = this.Width - panel.Width;
            panelHeightOffset = this.Height - panel.Height;

            // Scrollbar offsets
            scrollbarXOffset      = this.Width - vScrollBar1.Location.X;
            scrollbarHeightOffset = this.Height - vScrollBar1.Height;

            // Window state
            windowMinimized = false;

            numOfImages = Directory.GetFiles(pathToDocument).Length - 1;

            vScrollBar1.Minimum     = 0;
            vScrollBar1.Maximum     = numOfImages;
            vScrollBar1.SmallChange = 1;
            vScrollBar1.LargeChange = 1;

            // Start session
            //call the show function with the encrypted image and the window handle.
            if (ProtectedDisplayWrapper.showImage(picture, panel.Handle))
            {
                sessionExists = true;
                //start a refresh thread that refreshes the image peridically
                refreshThread = new Thread(new ThreadStart(refresh));
                refreshThread.Start();
            }
            else
            {
                MessageBox.Show("Failed to show image. " + ProtectedDisplayWrapper.getError());
            }
        }
 private void Form1_Resize(object sender, EventArgs e)
 {
     if (WindowState == FormWindowState.Minimized)
     {
         refreshThread.Abort();
         windowMinimized = true;
         sessionExists   = false;
     }
     if (WindowState == FormWindowState.Normal && windowMinimized)
     {
         if (ProtectedDisplayWrapper.showImage(picture, panel.Handle))
         {
             sessionExists = true;
             //start a refresh thread that refreshes the image peridically
             refreshThread = new Thread(new ThreadStart(refresh));
             refreshThread.Start();
         }
         windowMinimized = false;
     }
     panel.Width          = this.Width - panelWidthOffset;
     panel.Height         = this.Height - panelHeightOffset;
     vScrollBar1.Height   = panel.Height;
     vScrollBar1.Location = new Point(this.Width - scrollbarXOffset, vScrollBar1.Location.Y);
 }