public void Execute(ViewModel viewModel)
{
viewModel.Status = string.Empty;
var request = new ScanRequest()
{
DeviceId = viewModel.Scanner.Device.DeviceId,
Settings = new ScannerSettings
{
PageSize = PageSizes.Letter,
ColorDepth = ColorDepths.Color,
Orientation = Orientations.Portrait,
Resolution = Resolutions.R300,
UseAutomaticDocumentFeeder = true
}
};
IScanner proxy = DiscoveryHelper.CreateDiscoveryProxy();
try
{
var response = proxy.Scan(request);
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = "Document";
dlg.DefaultExt = ".pdf";
dlg.Filter = "Acrobat|*.pdf";
var result = dlg.ShowDialog();
if (result == true)
{
using (var file = dlg.OpenFile())
{
CopyStream(response, file);
}
}
}
catch (FaultException<ScanError> e)
{
viewModel.Status = e.Detail.ErrorMessage;
}
catch (CommunicationException)
{
}
finally
{
ICommunicationObject comm = ((ICommunicationObject)proxy);
if (comm.State == CommunicationState.Faulted)
{
comm.Abort();
}
else
{
comm.Close();
}
}
}
public System.IO.Stream Scan(ScanRequest request)
{
try
{
ScanToPDFService svc = new ScanToPDFService(request.DeviceId, request.Settings);
var pdfDocStream = svc.CreatePDF();
pdfDocStream.Seek(0, SeekOrigin.Begin);
return pdfDocStream;
}
catch (ScanException se)
{
throw ScanError.Fault(se.Message, se);
}
catch (Exception e)
{
throw ScanError.Fault("Error during scan.", e);
}
}