Visio Viewer 2007 in a VB.NET WinForm application

HI experts,

Is there a way to use Visio Viewer 2007 in a WinForm application without havinf Visio 2007 installed on the machine?
I've tried an example on MSDN (http://msdn.microsoft.com/en-us/library/dd392798.aspx) but I'm gettinh the message "WindowLess ActiveX control not supported".
I'm following the exact instructions in the article, but it's not working.
I'm using VS 2008 on Vista.

Anyone having a working example of Visio viewer in a Winform? (Without Visio on the machine, of course)
I'm programming in VB but I've tried the example in C# to be sure I was doing the right thing.

Thanks

public partial class Form1 : Form
    {
        private AxVisioViewer.AxViewer viewer;
 
        /// <summary>
        /// The Visio Viewer OM
        /// </summary>
        public AxVisioViewer.AxViewer Viewer
        {
            get
            {
                return this.viewer;
            }
        }
 
        public Form1()
        {
            this.InitializeComponent();
            this.Resize += new EventHandler(this.UpdateSize);
            this.viewer = new AxVisioViewer.AxViewer();
            this.Controls.Add(this.viewer);
            this.viewer.CreateControl();
 
            this.viewer.Location = new Point(0, 0);
            this.UpdateSize(null, null);
         
        }
 
        public void UpdateSize(object obj, EventArgs ea)
        {
            this.viewer.ClientSize = new Size(this.ClientSize.Width - 150, this.ClientSize.Height - 150);
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
            this.viewer.Load("C:\\users\\username\\documents\\viewer\\test.vsd");
 
        }        
 
    }

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