public void RegisterMaster(IScanMaster scanMaster)
{
scanMaster.pong();
mainForm.Invoke((MethodInvoker) delegate {
mainForm.RegisterMaster(scanMaster);
});
}
public ScannerController(ScannerControllerWidget scanControllerWidget)
{
this.scanControllerWidget = scanControllerWidget;
// connect to the scanner controller
var serverProvider = new BinaryServerFormatterSinkProvider();
var clientProvider = new BinaryClientFormatterSinkProvider();
serverProvider.TypeFilterLevel = System.Runtime.Serialization.Formatters.TypeFilterLevel.Full;
var props = new Hashtable();
props["name"] = "ipc";
props["portName"] = ScanWorker.Program.APP_NAME + "_CLIENT";
IpcChannel clientChannel = new IpcChannel(props, clientProvider, serverProvider);
ChannelServices.RegisterChannel(clientChannel);
scanWorker =
(IScanWorker)Activator.GetObject(
typeof(ScanWorker.ScanWorker),
"ipc://ScanSimple/ScanWorker");
try {
// try to connect to existing scan worker process first (for debugging)
bool alive = scanWorker.ping();
Console.WriteLine("scanworker ping() output = " + alive);
} catch (System.Runtime.Remoting.RemotingException e) {
// if we fail, launch a scan worker...
LaunchScanWorker();
for (int i = 0; i < 10; i++)
{
Thread.Sleep(50);
// and try to connect again
try {
bool alive2 = scanWorker.ping();
Console.WriteLine("scanworker ping() output = " + alive2);
break;
} catch (System.Runtime.Remoting.RemotingException e2) {
// try again.
Console.WriteLine("failed to connect to ScanWorker, trying again...");
}
}
// if we didn't connect, this will throw an exception
bool alive = scanWorker.ping();
// now create our scan master listener, and send it over
scanMaster = new ScanMaster(scanControllerWidget.mainWindow, scanControllerWidget);
scanWorker.RegisterMaster(scanMaster);
}
}
public void RegisterMaster(IScanMaster scanMaster)
{
this.scanMaster = scanMaster;
_twain.TransferImage += delegate(Object sender, TransferImageEventArgs args) {
Console.WriteLine("sending Scanned Image...");
if (args.Image != null)
{
if (scanMaster != null)
{
MemoryStream ms = new MemoryStream();
args.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
scanMaster.ScanDataTransfer(ms.ToArray());
}
}
};
}
