Public Sub EnumDevices() 

Dim instance As WiaSession
 
instance.EnumDevices()

public void EnumDevices()

public:
void EnumDevices(); 

Public Sub EnumDevicesExample(ByVal parent As IWin32Window)
   If (Not WiaSession.IsAvailable(WiaVersion.Version1)) Then
      MessageBox.Show("WIA version 1.0 not installed.")
      Return
   End If

   Dim session As WiaSession = New WiaSession()
   session.Startup(WiaVersion.Version1)

   Dim res As DialogResult = session.SelectDeviceDlg(parent, WiaDeviceType.Default, WiaSelectSourceFlags.NoDefault)
   If res <> DialogResult.OK Then
      MessageBox.Show("Error selecting WIA device.")
      session.Shutdown()
      Return
   End If

   AddHandler session.EnumDevicesEvent, AddressOf session_EnumDevicesEvent

   Console.WriteLine("Available WIA Devices:" & Constants.vbLf)
   session.EnumDevices()

   RemoveHandler session.EnumDevicesEvent, AddressOf session_EnumDevicesEvent

   session.Shutdown()
End Sub

Private Sub session_EnumDevicesEvent(ByVal sender As Object, ByVal e As WiaEnumDevicesEventArgs)
   Dim strMsg As String = String.Empty

   ' print out some information about each device found into the console window.
   strMsg = String.Format(Constants.vbTab & "Device Name: {0}" & Constants.vbLf + Constants.vbTab & "Device Id: {1}" & Constants.vbLf + Constants.vbTab & "Device Description: {2}" & Constants.vbLf + Constants.vbLf, e.DeviceName, e.DeviceID, e.DeviceDesc)
   Console.WriteLine(strMsg)
End Sub

public void EnumDevicesExample(IWin32Window parent)
{
   if (!WiaSession.IsAvailable(WiaVersion.Version1))
   {
      MessageBox.Show("WIA version 1.0 not installed.");
      return;
   }

   WiaSession wiaSession = new WiaSession();
   wiaSession.Startup(WiaVersion.Version1);

   DialogResult res = wiaSession.SelectDeviceDlg(parent, WiaDeviceType.Default, WiaSelectSourceFlags.NoDefault);
   if (res != DialogResult.OK)
   {
      MessageBox.Show("Error selecting WIA device.");
      wiaSession.Shutdown();
      return;
   }

   wiaSession.EnumDevicesEvent += new EventHandler<WiaEnumDevicesEventArgs>(wiaSession_EnumDevicesEvent);

   Console.WriteLine("Available WIA Devices:\n");
   wiaSession.EnumDevices();

   wiaSession.EnumDevicesEvent -= new EventHandler<WiaEnumDevicesEventArgs>(wiaSession_EnumDevicesEvent);

   wiaSession.Shutdown();
}

void wiaSession_EnumDevicesEvent(object sender, WiaEnumDevicesEventArgs e)
{
   string strMsg = string.Empty;

   // print out some information about each device found into the console window.
   strMsg = string.Format("\tDevice Name: {0}\n\tDevice Id: {1}\n\tDevice Description: {2}\n\n", e.DeviceName, e.DeviceID, e.DeviceDesc);
   Console.WriteLine(strMsg);
}