Lanciare applicazione da menu contestuale di explorer

/// <summary>
/// The CountLinesExtensions is an example shell context menu extension,
/// implemented with SharpShell. It adds the command 'Count Lines' to text
/// files.
/// </summary>
[ComVisible(true)]
[COMServerAssociation(AssociationType.ClassOfExtension, ".txt")]
public class CountLinesExtension : SharpContextMenu
{
    /// <summary>
    /// Determines whether this instance can a shell
    /// context show menu, given the specified selected file list.
    /// </summary>
    /// <returns>
    /// <c>true</c> if this instance should show a shell context
    /// menu for the specified file list; otherwise, <c>false</c>.
    /// </returns>
    protected override bool CanShowMenu()
    {
        //  We always show the menu.
        return true;
    }
 
    /// <summary>
    /// Creates the context menu. This can be a single menu item or a tree of them.
    /// </summary>
    /// <returns>
    /// The context menu for the shell context menu.
    /// </returns>
    protected override ContextMenuStrip CreateMenu()
    {
        //  Create the menu strip.
        var menu = new ContextMenuStrip();
 
        //  Create a 'count lines' item.
        var itemCountLines = new ToolStripMenuItem
        {
            Text = "Count Lines...",
            Image = Properties.Resources.CountLines
        };
 
        //  When we click, we'll count the lines.
        itemCountLines.Click += (sender, args) => CountLines();
 
        //  Add the item to the context menu.
        menu.Items.Add(itemCountLines);
 
        //  Return the menu.
        return menu;
    }
 
    /// <summary>
    /// Counts the lines in the selected files.
    /// </summary>
    private void CountLines()
    {
        //  Builder for the output.
        var builder = new StringBuilder();
 
        //  Go through each file.
        foreach (var filePath in SelectedItemPaths)
        {
            //  Count the lines.
            builder.AppendLine(string.Format("{0} - {1} Lines", 
              Path.GetFileName(filePath), File.ReadAllLines(filePath).Length));
        }
 
        //  Show the ouput.
        MessageBox.Show(builder.ToString());
    }
} 

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 itemCountLines.Click += Function(sender, args) CountLines()

''' <summary>
    ''' Creates the context menu. This can be a single menu item or a tree of them.
    ''' </summary>
    ''' <returns>
    ''' The context menu for the shell context menu.
    ''' </returns>
    Protected Overrides Function CreateMenu() As ContextMenuStrip
        '  Create the menu strip.
        Dim menu = New ContextMenuStrip()

        '  Create a 'count lines' item.
    Dim itemCountLines = New ToolStripMenuItem() With { _
      Key .Text = "Count Lines...", _
      Key .Image = Properties.Resources.CountLines _
    }

        '  When we click, we'll count the lines.
        itemCountLines.Click += Function(sender, args) CountLines()

        '  Add the item to the context menu.
        menu.Items.Add(itemCountLines)

        '  Return the menu.
        Return menu
    End Function

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<package id="SharpShell" version="2.2.0.0" targetFramework="net45" />