Public Sub EnumFormats( _
   ByVal item As Object, _
   ByVal flags As WiaEnumFormatsFlags _
) 

Dim instance As WiaSession
Dim item As Object
Dim flags As WiaEnumFormatsFlags
 
instance.EnumFormats(item, flags)

public void EnumFormats( 
   object item,
   WiaEnumFormatsFlags flags
)

public:
void EnumFormats( 
   Object^ item,
   WiaEnumFormatsFlags flags
) 

Public Sub EnumFormatsExample(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.EnumFormatsEvent, AddressOf session_EnumFormatsEvent

   Dim rootItem As Object = session.GetRootItem(Nothing)
   If Not rootItem Is Nothing Then
      session.EnumFormats(rootItem, WiaEnumFormatsFlags.None)
   End If

   RemoveHandler session.EnumFormatsEvent, AddressOf session_EnumFormatsEvent

   session.Shutdown()
End Sub

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

   strMsg = String.Format("WIA Formats count = {0}" & Constants.vbLf, e.FormatsCount)
   Console.WriteLine(strMsg)

   ' print out which formats were received into the console window.
   If e.FormatsCount > 0 Then
      Dim formatGuid As Guid = wiaSession.GetFormatGuid(e.Format)
      strMsg = String.Format("WIA Format: {0}" & Constants.vbLf & "WIA Format Transfer Mode: {1}" & Constants.vbLf & "WIA Format Guid: " & Constants.vbLf + Constants.vbLf, e.Format.ToString(), e.TransferMode.ToString(), formatGuid)
      Console.WriteLine(strMsg)
   End If
End Sub

public void EnumFormatsExample(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.EnumFormatsEvent += new EventHandler<WiaEnumFormatsEventArgs>(wiaSession_EnumFormatsEvent);

   object rootItem = wiaSession.GetRootItem(null);
   if (rootItem != null)
   {
      wiaSession.EnumFormats(rootItem, WiaEnumFormatsFlags.None);
   }

   wiaSession.EnumFormatsEvent -= new EventHandler<WiaEnumFormatsEventArgs>(wiaSession_EnumFormatsEvent);

   wiaSession.Shutdown();
}

void wiaSession_EnumFormatsEvent(object sender, WiaEnumFormatsEventArgs e)
{
   string strMsg = string.Empty;

   strMsg = string.Format("WIA Formats count = {0}\n", e.FormatsCount);
   Console.WriteLine(strMsg);

   // print out the received formats into the console window.
   if (e.FormatsCount > 0)
   {
      Guid formatGuid = WiaSession.GetFormatGuid(e.Format);
      strMsg = string.Format("WIA Format: {0}\nWIA Format Transfer Mode: {1}\nWIA Format Guid: \n\n", e.Format.ToString(), e.TransferMode.ToString(), formatGuid);
      Console.WriteLine(strMsg);
   }
}