C# TIFF - Create Windows TIFF Viewer in C#.NET

public void Form1()
{
	InitializeComponent();
	// Set the windows viewer display options.
	ViewerOptions option = new ViewerOptions();
	// Set the windows viewer height and width. This step is necessary, otherwise will crash.
	option.DocViewerWidth = 400;
	option.DocViewerHeight = 400;
	// Show the thumbnail, true or false.
	option.ShowThumb = true;
	// The location of thumbnail, left, right, top or bottom.
	option.ThumbDock = ThumbDock.Left;
	// Set the thumbnail height
	option.ThumbViewerHeight = 1000;
	// Set whether the document viewer is spread as winViewer
	option.SizeByDocViewer = false;
	// Create windows viewer form.
	winViewer = new WinViewer(option);
	winViewer.Height = 800;
	winViewer.Width = 1000;
	// Add the windows viewer to your own form.
	this.panel1.Controls.Add(winViewer);
}

private void OpenFile_Click(object sender, EventArgse)
{
	OpenFileDialog ofd = new OpenFileDialog();
	ofd.Filter = "(*.*)|*.*";
	ofd.Multiselect = false;
	if (ofd.ShowDialog() == DialogResult.OK)
	{
		this.winViewer.LoadFromFile(ofd.FileName);
	}
}

private void HighLight_Click(object sender, EventArgse)
   {
      this.winViewer1.DrawHighLight();
   }

private void Text_Click(object sender, EventArgse)
   {
      this.winViewer1.DrawText();
   }