WPF VB.Net

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="PrintWithoutUserIntervention" Height="300" Width="300">
    
      Print
    

//File:Window.xaml.vb
Imports System
Imports System.Collections.Generic
Imports System.Text
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Shapes
Imports System.Printing
Namespace Printing
  Public Partial Class PrintWithoutUserIntervention
    Inherits System.Windows.Window
    Public Sub New()
      InitializeComponent()
    End Sub
    Private Sub cmdPrint_Click(sender As Object, e As RoutedEventArgs)
      Dim dialog As New PrintDialog()
      dialog.PrintQueue = LocalPrintServer.GetDefaultPrintQueue()
      dialog.PrintVisual(DirectCast(sender, Visual), "Automatic Printout")
    End Sub
  End Class
End Namespace