Re: Strange serial port error

I attach my serial class:

MySerial.hpp

#if !
defined(AFX_MYSERIAL_H__E367B2BF_8CAD_4EA8_9588_6E907734BBCD__INCLUDED_)
#define
AFX_MYSERIAL_H__E367B2BF_8CAD_4EA8_9588_6E907734BBCD__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// MySerial.h : header file
//

//Mensajes que emite esta clase
static UINT UWM_MYSERIAL_DATA_READ
= ::RegisterWindowMessage(_T("UWM_MYSERIAL_DATA_READ-{CC871902-
DB13-4330-9E43-C03C6B8CBE45}") ); //!< Message sent at data readed
static UINT UWM_MYSERIAL_DATA_WRITTED
= ::RegisterWindowMessage(_T("UWM_MYSERIAL_DATA_WRITTED-{CC871902-
DB13-4330-9E43-C03C6B8CBE45}") ); //!< Message sent at data writed
static UINT UWM_MYSERIAL_ERROR
= ::RegisterWindowMessage(_T("UWM_MYSERIAL_ERROR-{CC871902-
DB13-4330-9E43-C03C6B8CBE45}") ); //!< Message sent at error

/////////////////////////////////////////////////////////////////////////////
// MySerial thread

/*! \brief Handles serial communication.
*/
class MySerial : public CWinThread
{
    DECLARE_DYNCREATE(MySerial)
protected:

    DCB dcb; //!< Struct with port configuration
    MySerial(); //!< Protected constructor used by dynamic
creation

// Attributes
public:
    BOOL opened; //!< Port opened.
    BOOL init; //!< Port init.

    HANDLE ShutdownEvent;
    HANDLE WriteEvent;
    HANDLE ReadEvent;

    HANDLE ReaderStoped;
    HANDLE WriterStoped;

    HANDLE hComm;
    OVERLAPPED ovReader, ovWriter;

    CWinThread* pReaderThread;
    HANDLE phReaderThread;

    CWnd* notificador; //Main app's window pointer

// Operations
public:

    virtual ~MySerial();
    void configure( CWnd* w );
    BOOL MySerial::openPort( int port );
    void MySerial::closePort( WPARAM wparam, LPARAM lparam );

    void MySerial::Kill();
    BOOL MySerial::isOpen();
    BOOL MySerial::isInit();

    afx_msg void MySerial::OnWriteData( WPARAM wParam, LPARAM );
    //afx_msg void MySerial::OnReadData( WPARAM wParam, LPARAM lParam );
    void Stop();

// Overrides
    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(MySerial)
    public:
    virtual BOOL InitInstance();
    virtual int ExitInstance();
    virtual BOOL OnIdle(LONG lCount);
    virtual int Run();
    //}}AFX_VIRTUAL

// Implementation
protected:
    // Generated message map functions
    //{{AFX_MSG(MySerial)
        // NOTE - the ClassWizard will add and remove member functions here.
    //}}AFX_MSG

    DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations
immediately before the previous line.

#endif // !
defined(AFX_MYSERIAL_H__E367B2BF_8CAD_4EA8_9588_6E907734BBCD__INCLUDED_)