Re: PlaySound Question

From:
Jack <jl@knight.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Sun, 27 Jun 2010 16:13:50 +0800
Message-ID:
<#KLjyCdFLHA.5500@TK2MSFTNGP05.phx.gbl>

Hi,
I want to play a wave file when I click on a button
#include <MMSystem.h>
...

int CDialog::OnBtnClick(...)
{
PlaySound("123.wav", NULL, SND_FILENAME);

}

But PlaySound and SND_FILENAME identifiers are not found. Any ideas?
Thanks
Jack


Here is the entire module, please take a look, thanks
it still does not compile with identifiers not found (PlaySound and
SND_FILENAME).Strange......

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

// MFCSimple01Dlg.cpp : implementation file
//

#include "stdafx.h"
#include <Windows.h>
#include "MyGrid.h"
#include "MFCSimple01.h"
#include "MFCSimple01Dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

// 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()

// CMFCSimple01Dlg dialog

CMFCSimple01Dlg::CMFCSimple01Dlg(CWnd* pParent /*=NULL*/)
    : CDialog(CMFCSimple01Dlg::IDD, pParent)
{
// m_nCount = 0;
// m_nCols = 0;

    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMFCSimple01Dlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);

}

BEGIN_MESSAGE_MAP(CMFCSimple01Dlg, CDialog)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    //}}AFX_MSG_MAP
    ON_BN_CLICKED(IDC_SAYHI, &CMFCSimple01Dlg::OnBnClickedSayhi)
    ON_WM_CREATE()
END_MESSAGE_MAP()

// CMFCSimple01Dlg message handlers

BOOL CMFCSimple01Dlg::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)
    {
        BOOL bNameValid;
        CString strAboutMenu;
        bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
        ASSERT(bNameValid);
        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

    return TRUE; // return TRUE unless you set the focus to a control
}

void CMFCSimple01Dlg::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 CMFCSimple01Dlg::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 CMFCSimple01Dlg::OnQueryDragIcon()
{
    return static_cast<HCURSOR>(m_hIcon);
}

void CMFCSimple01Dlg::OnBnClickedSayhi()
{
    GetDlgItem(IDC_HI)->SetWindowText("Hi!");

    CUGCell cell;
    cell.SetText("Hello");
    m_Grid.SetCell(0,0,&cell);
    InvalidateRect(NULL, FALSE);
    PlaySound("123.wav", NULL, SND_FILENAME);

   // TODO: Add your control notification handler code here
}
BEGIN_EVENTSINK_MAP(CMFCSimple01Dlg, CDialog)
// ON_EVENT(CMFCSimple01Dlg, IDC_MSFLEXGRID1, DISPID_KEYPRESS,
CMFCSimple01Dlg::KeyPressMsflexgrid1, VTS_PI2)
END_EVENTSINK_MAP()

int CMFCSimple01Dlg::OnCreate(LPCREATESTRUCT lpCreateStruct)
{

    if (CDialog::OnCreate(lpCreateStruct) == -1)
        return -1;

    m_Grid.CreateGrid(WS_CHILD|WS_VISIBLE, CRect(20,100,450,260), this,
1234567);

    // TODO: Add your specialized creation code here

    return 0;
}
///////////////////////////////////////////

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