musicplayer.cpp

在WCE4.2下面用EVC开发的一个带图型界面的音乐播放器,带音乐播放的一般功能,如快进快退,拖动,音量拖动调节,等功能,不到歌词显示功能,

// MusicPlayer.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "MusicPlayer.h"
#include "MusicPlayerDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE-
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMusicPlayerApp

BEGIN_MESSAGE_MAP(CMusicPlayerApp, CWinApp)
	//{{AFX_MSG_MAP(CMusicPlayerApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMusicPlayerApp construction

CMusicPlayerApp::CMusicPlayerApp()
	: CWinApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
	m_DefaultFilePath = L"\\SDMEM";
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CMusicPlayerApp object

CMusicPlayerApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMusicPlayerApp initialization

BOOL CMusicPlayerApp::InitInstance()
{
	//建立互斥变量保证单一程序运行
	  HANDLE   hMutex=CreateMutex(NULL,TRUE,L"KILLjapan");   
          if(hMutex==NULL||GetLastError()   ==   ERROR_ALREADY_EXISTS)   
          {   
              //该程序已经有一个副本正在运行中
              CloseHandle(hMutex);   
              return   FALSE;   
          }


	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.
	CoInitialize(NULL);
	CMusicPlayerDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.

	ReleaseMutex(hMutex);
	CloseHandle(hMutex); 
	return FALSE;
}

int CMusicPlayerApp::ExitInstance() 
{
	// TODO: Add your specialized code here and/or call the base class
	CoUninitialize();
	return CWinApp::ExitInstance();
}