private static extern DVBError CDVBFrontend_GetState( IntPtr pData, out bool locked, out SignalStatus signal, out LockState state );
private static extern DVBError _GetState( IntPtr classPointer, out bool locked, out TechnoTrend.MFCWrapper.SignalStatus signal, out LockState state );
private static extern DVBError CDVBFrontend_GetState(IntPtr pData, out bool locked, out SignalStatus signal, out LockState state);