SO Ćw3 C

// Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "SO3.h"
#include "Dlg.h"
#include ".\dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

HANDLE hskrzynki;
CString adres;

// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
    CAboutDlg();

// Dialog Data
    enum { IDD = IDD_ABOUTBOX };

    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

// Implementation
protected:
    DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// Dlg dialog



Dlg::Dlg(CWnd* pParent /*=NULL*/)
    : CDialog(Dlg::IDD, pParent)
{
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void Dlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    DDX_Control(pDX, IDC_EDIT1, m_ekran);
    DDX_Control(pDX, IDC_EDIT2, m_lwiad);
    DDX_Control(pDX, IDC_EDIT3, m_input);
}

BEGIN_MESSAGE_MAP(Dlg, CDialog)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    //}}AFX_MSG_MAP
    ON_BN_CLICKED(IDC_BUTTON1, OnBnClickedSprawdz)
    ON_BN_CLICKED(IDC_BUTTON2, OnBnClickedWyslij)
    ON_BN_CLICKED(IDC_BUTTON3, OnBnClickedOdczytaj)
END_MESSAGE_MAP()


// Dlg message handlers

BOOL Dlg::OnInitDialog()
{
    CDialog::OnInitDialog();

    // Add "About..." menu item to system menu.

    // IDM_ABOUTBOX must be in the system command range.
    ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
    ASSERT(IDM_ABOUTBOX < 0xF000);

    CMenu* pSysMenu = GetSystemMenu(FALSE);
    if (pSysMenu != NULL)
    {
        CString strAboutMenu;
        strAboutMenu.LoadString(IDS_ABOUTBOX);
        if (!strAboutMenu.IsEmpty())
        {
            pSysMenu->AppendMenu(MF_SEPARATOR);
            pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
        }
    }

    // Set the icon for this dialog.  The framework does this automatically
    //  when the application's main window is not a dialog
    SetIcon(m_hIcon, TRUE);         // Set big icon
    SetIcon(m_hIcon, FALSE);        // Set small icon

    // TODO: Add extra initialization here

    adres = "\\\\.\\mailslot\\skrzynka";
    hskrzynki = CreateMailslot(adres, 1024, 0, NULL);
    if(hskrzynki == INVALID_HANDLE_VALUE){
        MessageBox("Nieudana próva utworzenia skrzynki");
        EndDialog(1);
    }
    return TRUE;  // return TRUE  unless you set the focus to a control
}

void Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
    if ((nID & 0xFFF0) == IDM_ABOUTBOX)
    {
        CAboutDlg dlgAbout;
        dlgAbout.DoModal();
    }
    else
    {
        CDialog::OnSysCommand(nID, lParam);
    }
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void Dlg::OnPaint()
{
    if (IsIconic())
    {
        CPaintDC dc(this); // device context for painting

        SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

        // Center icon in client rectangle
        int cxIcon = GetSystemMetrics(SM_CXICON);
        int cyIcon = GetSystemMetrics(SM_CYICON);
        CRect rect;
        GetClientRect(&rect);
        int x = (rect.Width() - cxIcon + 1) / 2;
        int y = (rect.Height() - cyIcon + 1) / 2;

        // Draw the icon
        dc.DrawIcon(x, y, m_hIcon);
    }
    else
    {
        CDialog::OnPaint();
    }
}

// The system calls this function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR Dlg::OnQueryDragIcon()
{
    return static_cast<HCURSOR>(m_hIcon);
}

void Dlg::OnBnClickedSprawdz()
{
    CString ekran;
    unsigned long liczbawiad;
    GetMailslotInfo(hskrzynki, NULL, NULL, &liczbawiad, NULL);
    ekran.AppendFormat("%d", liczbawiad);
    m_lwiad.SetWindowText(ekran);

}

void Dlg::OnBnClickedWyslij()
{
    CString message, bufor;
    CFile skrzynka(adres, CFile::modeWrite + CFile::shareDenyNone);
    m_input.GetWindowText(message);
    skrzynka.Write(message.GetBuffer(), message.GetLength() + 1);
    m_input.SetWindowText(NULL);
}

void Dlg::OnBnClickedOdczytaj()
{
    CString message;
    CFile skrzynka(hskrzynki);
    char wiesc[1024];
    //CFile skrzynka(adres, CFile::modeRead + CFile::shareDenyNone);
    DWORD w1, w2, w3, w4;
    GetMailslotInfo(hskrzynki, NULL, NULL, &w3, NULL);
    for(int i = 0; i < w3; i++){
        skrzynka.Read(wiesc, 1024);
        message.AppendFormat("%s\r\n", wiesc);
    }
    if(w3)
        m_ekran.SetWindowText(message);
}