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());
}
}
}
private void refresh()
{
while (true)
{
//refresh the image peridically
ProtectedDisplayWrapper.refresh();
Thread.Sleep(10);
}
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
Hide();
if (refreshThread != null)
{
refreshThread.Abort();
}
ProtectedDisplayWrapper.Close();
Application.Exit();
}
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);
}
