public override List<Image> Scan()
{
Console.WriteLine("Scan Twain");
lesImagesNum.Clear();
// can use the utility method to create appId or make one yourself
var appId = TWIdentity.CreateFromAssembly(DataGroups.Image, Assembly.GetExecutingAssembly());
// new it up and handle events
session = new TwainSession(appId);
session.TransferReady += session_TransferReady;
session.DataTransferred += session_DataTransferred;
session.SourceDisabled += session_SourceDisable;
// finally open it
session.Open();
var t = session.GetEnumerator();
Console.WriteLine(t.ToString());
while (t.MoveNext())
{
Console.WriteLine(t.ConvertToString());
}
// choose and open the first source found
// note that TwainSession implements IEnumerable<DataSource> so we can use this extension method.
IEnumerable<DataSource> lesSources = session.GetSources();
Console.WriteLine("Nb Source : " + session.Count());
myDS = session.FirstOrDefault();
myDS.Open();
// All low-level triplet operations are defined through these properties.
// If the operation you want is not available, that most likely means
// it's not for consumer use or it's been abstracted away with an equivalent API in this lib.
//myDS.DGControl;
//myDS.DGImage.;
// The wrapper has many methods that corresponds to the TWAIN capability triplet msgs like
// GetValues(), GetCurrent(), GetDefault(), SetValue(), etc.
// (see TWAIN spec for reference)
// This example sets pixel type of scanned image to BW and
// IPixelType is the wrapper property on the data source.
// The name of the wrapper property is the same as the CapabilityId enum.
PixelType typeCouleur = PixelType.Gray;
if (myDS.Capabilities.ICapPixelType.CanSet &&
myDS.Capabilities.ICapPixelType.GetValues().Contains(typeCouleur))
{
myDS.Capabilities.ICapPixelType.SetValue(typeCouleur);
}
//Même chose avec le DPI
TWFix32 DPI = MainWindow.numerisationDPI;
if(myDS.Capabilities.ICapXResolution.CanSet &&
myDS.Capabilities.ICapXResolution.GetValues().Contains(DPI))
{
myDS.Capabilities.ICapXResolution.SetValue(DPI);
}
if (myDS.Capabilities.ICapYResolution.CanSet &&
myDS.Capabilities.ICapYResolution.GetValues().Contains(DPI))
{
myDS.Capabilities.ICapYResolution.SetValue(DPI);
}
myDS.Enable(SourceEnableMode.ShowUI, false, System.IntPtr.Zero);
EventWaitHandle session_SourceDisable_Wait = new EventWaitHandle(false, EventResetMode.AutoReset);
session_SourceDisable_Wait.WaitOne();
return lesImagesNum;
}