Public Function AcquireToFile( _
   ByVal owner As IWin32Window, _
   ByVal item As Object, _
   ByVal flags As WiaAcquireFlags _
) As DialogResult

Dim instance As WiaSession
Dim owner As IWin32Window
Dim item As Object
Dim flags As WiaAcquireFlags
Dim value As DialogResult
 
value = instance.AcquireToFile(owner, item, flags)

public DialogResult AcquireToFile( 
   IWin32Window owner,
   object item,
   WiaAcquireFlags flags
)

public:
DialogResult AcquireToFile( 
   IWin32Window^ owner,
   Object^ item,
   WiaAcquireFlags flags
) 

Public Sub AcquireToFileExample(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

      ' Initialize and fill the required fields from the WiaAcquireOptions structure
      Dim wiaAcquireOptions As WiaAcquireOptions = wiaAcquireOptions.Empty
      wiaAcquireOptions.FileName = Path.Combine(LEAD_VARS.ImagesDir, "WiaTest.bmp")
      wiaAcquireOptions.OverwriteExisting = True
      wiaAcquireOptions.Append = False
      wiaAcquireOptions.SaveToOneFile = False
      session.AcquireOptions = wiaAcquireOptions

      AddHandler session.AcquireFileEvent, AddressOf session_AcquireFileEvent

      session.AcquireToFile(parent, Nothing, WiaAcquireFlags.ShowUserInterface Or WiaAcquireFlags.UseCommonUI)

      ' Display listing of all paths and filenames for the saved files(s).
      If session.FilesCount > 0 Then
         Dim strMsg As String = "Acquired page(s) were saved to:" & Constants.vbLf + Constants.vbLf
         Dim i As Integer = 0
         Do While i < session.FilesCount
            Dim strTemp As String = String.Format("{0}" & Constants.vbLf, session.FilesPaths(i))
            strMsg &= strTemp
            i += 1
         Loop
         MessageBox.Show(strMsg)
      End If

      RemoveHandler session.AcquireFileEvent, AddressOf session_AcquireFileEvent
      session.Shutdown()
   End Sub

   Public Sub session_AcquireFileEvent(ByVal sender As Object, ByVal e As WiaAcquireFileEventArgs)
      Console.WriteLine(e.Percent)
   End Sub


Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

public void AcquireToFileExample(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;
      }

      // Initialize and fill the required fields from the WiaAcquireOptions structure
      WiaAcquireOptions wiaAcquireOptions = WiaAcquireOptions.Empty;
      wiaAcquireOptions.FileName = Path.Combine(LEAD_VARS.ImagesDir, "WiaTest.bmp");
      wiaAcquireOptions.OverwriteExisting = true;
      wiaAcquireOptions.Append = false;
      wiaAcquireOptions.SaveToOneFile = false;
      wiaSession.AcquireOptions = wiaAcquireOptions;

      wiaSession.AcquireFileEvent += new EventHandler<WiaAcquireFileEventArgs>(wiaSession_AcquireFileEvent);

      wiaSession.AcquireToFile(parent, null, WiaAcquireFlags.ShowUserInterface | WiaAcquireFlags.UseCommonUI);

      // Display a listing of all paths and filenames for the saved files(s).
      if(wiaSession.FilesCount > 0)
      {
         string strMsg = "Acquired page(s) were saved to:\n\n";
         for (int i = 0; i < wiaSession.FilesCount; i++)
         {
            string strTemp = string.Format("{0}\n", wiaSession.FilesPaths[i]);
            strMsg += strTemp;
         }
         MessageBox.Show(strMsg);
      }

      wiaSession.AcquireFileEvent -= new EventHandler<WiaAcquireFileEventArgs>(wiaSession_AcquireFileEvent);
      wiaSession.Shutdown();
   }

   public void wiaSession_AcquireFileEvent(object sender, WiaAcquireFileEventArgs e)
   {
      Console.WriteLine(e.Percent);
   }


static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}