// final method that handles msg from the source, whether it's from wndproc or callbacks
void HandleSourceMsg(Message msg)
{
PlatformInfo.Current.Log.Debug("Got TWAIN msg " + msg);
switch (msg)
{
case Message.XferReady:
if (State < 6)
{
State = 6;
}
TransferLogic.DoTransferRoutine(this);
break;
case Message.DeviceEvent:
TWDeviceEvent de;
var rc = ((ITwainSessionInternal)this).DGControl.DeviceEvent.Get(out de);
if (rc == ReturnCode.Success)
{
SafeSyncableRaiseOnEvent(OnDeviceEvent, DeviceEvent, new DeviceEventArgs(de));
}
break;
case Message.CloseDSReq:
case Message.CloseDSOK:
DisableReason = msg;
// even though it says closeDS it's really disable.
// dsok is sent if source is enabled with uionly
// some sources send this at other states so do a step down
if (State > 5)
{
// rather than do a close here let the transfer logic handle the close down now
//ForceStepDown(4);
_closeRequested = true;
}
else if (State == 5)
{
// needs this state check since some source sends this more than once
((ITwainSessionInternal)this).DisableSource();
}
break;
}
}