public ScannerManager(IntPtr hwnd)
{
this.hwnd = hwnd;
tw = isTwain2Enable ? new Twain64NativeMethods() : (TwainNativeMethods) new Twain32NativeMethods();
CreateAppId();
CurrentScanner = -1;
evtmsg = new TwEvent();
evtmsg.EventPtr = Marshal.AllocHGlobal(Marshal.SizeOf(winmsg));
OpenDSM();
}
public static extern TwRC DSevent([In, Out] TwIdentity origin, [In, Out] TwIdentity dest, TwDG dg, TwDAT dat, TwMSG msg, ref TwEvent evt);
public bool ProcessEvent(TwIdentity dataSourceId, ref TwEvent result)
{
TwRC rc = LibTwain32.DSevent(fApplicationId, dataSourceId, TwDG.Control, TwDAT.Event, TwMSG.ProcessEvent, ref result);
return (bool)(rc != TwRC.NotDSEvent);
}
public TwRC DsEvent([In, Out] TwIdentity origin, [In, Out] TwIdentity dest, TwDG dg, TwDAT dat, TwMSG msg, ref TwEvent twevent)
{
return(DsEntryEvent(origin, dest, dg, dat, msg, ref twevent));
}
internal static extern TwRC DsEntryEvent([In, Out] TwIdentity origin, [In, Out] TwIdentity dest, TwDG dg, TwDAT dat, TwMSG msg, ref TwEvent twevent);