基于MFC的Media Player播放器的制作（4---功能实现代码）

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PandaPlayerDlg.h

 // PandaPlayerDlg.h : header file
 //
 //{{AFX_INCLUDES()
 #include "wmpplayer4.h"
 #include "wmpcontrols.h"
 #include "wmpsettings.h"
 //}}AFX_INCLUDES

 #if !defined(AFX_PANDAPLAYERDLG_H__BD44EB72_E7B8_4CCE_831C_6781A9FDFD2B__INCLUDED_)
 #define AFX_PANDAPLAYERDLG_H__BD44EB72_E7B8_4CCE_831C_6781A9FDFD2B__INCLUDED_

 #if _MSC_VER > 1000
 #pragma once
 #endif // _MSC_VER > 1000

 /////////////////////////////////////////////////////////////////////////////
 // CPandaPlayerDlg dialog

 class CPandaPlayerDlg : public CDialog
 {
 // Construction
 public:
     CPandaPlayerDlg(CWnd* pParent = NULL);    // standard constructor

     //文件关联对象的变量声明
     CWMPControls setControl;
     CWMPSettings setVolume;
     CSliderCtrl *pSlidCtrl;
     CSliderCtrl    sliderVolume;

     // Dialog Data
     //{{AFX_DATA(CPandaPlayerDlg)
     enum { IDD = IDD_PANDAPLAYER_DIALOG };
     CWMPPlayer4    m_ActiveMovie;
     //}}AFX_DATA

     // ClassWizard generated virtual function overrides
     //{{AFX_VIRTUAL(CPandaPlayerDlg)
     protected:
     virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
     //}}AFX_VIRTUAL

 // Implementation
 protected:
     HICON m_hIcon;

     void listDisplay(CString a[]);

     // Generated message map functions
     //{{AFX_MSG(CPandaPlayerDlg)
     virtual BOOL OnInitDialog();
     afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
     afx_msg void OnPaint();
     afx_msg HCURSOR OnQueryDragIcon();
     afx_msg void OnExit();
     afx_msg void OnFullscreen();
     afx_msg void OnOpen();
     afx_msg void OnPlay();
     afx_msg void OnPause();
     afx_msg void OnStop();
     afx_msg void OnGo();
     afx_msg void OnBack();
     afx_msg void OnAbout();
     afx_msg void OnOpenfiles();
     afx_msg void OnMute();
     afx_msg void OnLower();
     afx_msg void OnUpper();
     afx_msg void OnOutofmemoryVolumeslider();
     afx_msg void OnNext();
     afx_msg void OnPrevious();
     afx_msg void OnLoop();
     afx_msg void OnOrder();
     afx_msg void OnRandom();
     afx_msg void OnTimer(UINT nIDEvent);
     afx_msg void OnFullscr();
     afx_msg void OnOnlyplay();
     //}}AFX_MSG
     DECLARE_MESSAGE_MAP()
 };

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

 #endif // !defined(AFX_PANDAPLAYERDLG_H__BD44EB72_E7B8_4CCE_831C_6781A9FDFD2B__INCLUDED_)

PandaPlayerDlg.cpp

 // PandaPlayerDlg.cpp : implementation file
 //

 #include "stdafx.h"
 #include "PandaPlayer.h"
 #include "PandaPlayerDlg.h"

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

 //文件数组大小预定义
 #define N 100

 //全局变量声明
 static int count = ;
 static int times = ;
 static int modelFlag = ;
 static int flag = ;

 //0表示
 static int playStatus = ;
 static int pauseStatus = ;
 static int stopStatus = ;

 static int volumeSlider = ;
 static long maxVloume = ;
 static bool listFlag = true;
 CString filesPath[N] = {"\0"};
 time_t t;

 /////////////////////////////////////////////////////////////////////////////
 // CAboutDlg dialog used for App About

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

 // Dialog Data
     //{{AFX_DATA(CAboutDlg)
     enum { IDD = IDD_ABOUTBOX };
     //}}AFX_DATA

     // ClassWizard generated virtual function overrides
     //{{AFX_VIRTUAL(CAboutDlg)
     protected:
     virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
     //}}AFX_VIRTUAL

 // Implementation
 protected:
     //{{AFX_MSG(CAboutDlg)
     //}}AFX_MSG
     DECLARE_MESSAGE_MAP()
 };

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

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

 BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
     //{{AFX_MSG_MAP(CAboutDlg)
         // No message handlers
     //}}AFX_MSG_MAP
 END_MESSAGE_MAP()

 /////////////////////////////////////////////////////////////////////////////
 // CPandaPlayerDlg dialog

 CPandaPlayerDlg::CPandaPlayerDlg(CWnd* pParent /*=NULL*/)
     : CDialog(CPandaPlayerDlg::IDD, pParent)
 {
     //{{AFX_DATA_INIT(CPandaPlayerDlg)
         // NOTE: the ClassWizard will add member initialization here
     //}}AFX_DATA_INIT
     // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
     m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
 }

 void CPandaPlayerDlg::DoDataExchange(CDataExchange* pDX)
 {
     CDialog::DoDataExchange(pDX);
     //{{AFX_DATA_MAP(CPandaPlayerDlg)
     DDX_Control(pDX, IDC_OCX1, m_ActiveMovie);
     //}}AFX_DATA_MAP
 }

 BEGIN_MESSAGE_MAP(CPandaPlayerDlg, CDialog)
     //{{AFX_MSG_MAP(CPandaPlayerDlg)
     ON_WM_SYSCOMMAND()
     ON_WM_PAINT()
     ON_WM_QUERYDRAGICON()
     ON_BN_CLICKED(IDC_EXIT, OnExit)
     ON_BN_CLICKED(IDC_FULLSCREEN, OnFullscreen)
     ON_BN_CLICKED(IDC_OPEN, OnOpen)
     ON_BN_CLICKED(IDC_PLAY, OnPlay)
     ON_BN_CLICKED(IDC_PAUSE, OnPause)
     ON_BN_CLICKED(IDC_STOP, OnStop)
     ON_BN_CLICKED(IDC_GO, OnGo)
     ON_BN_CLICKED(IDC_BACK, OnBack)
     ON_BN_CLICKED(IDC_ABOUT, OnAbout)
     ON_BN_CLICKED(IDC_OPENFILES, OnOpenfiles)
     ON_BN_CLICKED(IDC_MUTE, OnMute)
     ON_BN_CLICKED(IDC_LOWER, OnLower)
     ON_BN_CLICKED(IDC_UPPER, OnUpper)
     ON_NOTIFY(NM_OUTOFMEMORY, IDC_VOLUMESLIDER, OnOutofmemoryVolumeslider)
     ON_BN_CLICKED(IDC_NEXT, OnNext)
     ON_BN_CLICKED(IDC_PREVIOUS, OnPrevious)
     ON_BN_CLICKED(IDC_LOOP, OnLoop)
     ON_BN_CLICKED(IDC_ORDER, OnOrder)
     ON_BN_CLICKED(IDC_RANDOM, OnRandom)
     ON_WM_TIMER()
     ON_BN_CLICKED(IDC_FULLSCR, OnFullscr)
     ON_BN_CLICKED(IDC_ONLYPLAY, OnOnlyplay)
     //}}AFX_MSG_MAP
 END_MESSAGE_MAP()

 /////////////////////////////////////////////////////////////////////////////
 // CPandaPlayerDlg message handlers

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

     //添加文件关联
     setControl = static_cast<CWMPControls>(m_ActiveMovie.GetControls());
     setVolume = m_ActiveMovie.GetSettings();

     //文件列表的初始化的状态为列表处于关闭的状态
     SetWindowPos(NULL,,,,,SWP_NOMOVE);

     //初始化音量的滑块条的初始位置
     //sliderVolume.SetRange(0, 100, true);
     pSlidCtrl = (CSliderCtrl*)GetDlgItem(IDC_VOLUMESLIDER);
     pSlidCtrl->SetPos(setVolume.GetVolume());

     //得到初始化时的声音滑块条的位置坐标
     volumeSlider = pSlidCtrl->GetPos();

     //得到最大的音量值
     maxVloume = setVolume.GetVolume();// * 2

     //初始化文件数组
     filesPath[] = "\0";

     // 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

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

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

         SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), );

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

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

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

 //打开文件
 void CPandaPlayerDlg::OnOpen()
 {
     // TODO: Add your control notification handler code here
     char   szFileFilter[]="Mp3   File&(*.mp3)|*.mp3|"
         "Wma   File((*.wma)|*.wma|"
         "Video   File(*.dat)|*.dat|"
         "Wave   File(*.wav)|*.wav|"
         "AVI   File(*.avi)|*.avi|"
         "Movie   File(*.mov)|*.mov|"
         "Media   File(*.mmm)|*.mmm|"
         "Mid   File(*.mid *.rmi)|*.mid *.rmi|"
         "MPEG   File(*.mpeg)|*.mpeg|"
         "All   File(*.*)|*.*|| ";//文件类型过滤
         CFileDialog   dlg(TRUE,NULL,NULL,OFN_HIDEREADONLY,szFileFilter);
         if(dlg.DoModal()==IDOK)
         {
             CString strFilePath = dlg.GetPathName();
             //strFilePath.MakeUpper();
             filesPath[count++] = strFilePath;
             m_ActiveMovie.SetUrl(strFilePath);
             times = count;
         }
 }

 //列表播放文件项目的显示
 void CPandaPlayerDlg::listDisplay(CString fileUrl[])
 {
     int index = times;
     for(int i = ; i < index; i++)
     {

     }
 }

 //播放文件
 void CPandaPlayerDlg::OnPlay()
 {
     // TODO: Add your control notification handler code here
     setControl.play();
     //如果是播放状态的时候，播放则为1，暂停和停止均为0
     playStatus = ;
     pauseStatus = ;
     stopStatus = ;
 }

 //暂停播放
 void CPandaPlayerDlg::OnPause()
 {
     // TODO: Add your control notification handler code here
     setControl.pause();
     //如果暂停为真，则暂停为1，播放和停止为0
     playStatus = ;
     pauseStatus = ;
     stopStatus = ;
 }

 //停止播放
 void CPandaPlayerDlg::OnStop()
 {
     // TODO: Add your control notification handler code here
     setControl.stop();
     //如果停止为真，则停止为1，播放和暂停为0
     playStatus = ;
     pauseStatus = ;
     stopStatus = ;

 }

 //快进
 void CPandaPlayerDlg::OnGo()
 {
     // TODO: Add your control notification handler code here
     double CurrPosition = setControl.GetCurrentPosition();
     setControl.SetCurrentPosition(CurrPosition+);
 }

 //快退
 void CPandaPlayerDlg::OnBack()
 {
     // TODO: Add your control notification handler code here
     double CurrPosition = setControl.GetCurrentPosition();
     setControl.SetCurrentPosition(CurrPosition-);
 }

 //关于框的调用函数
 void CPandaPlayerDlg::OnAbout()
 {
     // TODO: Add your control notification handler code here
     CAboutDlg aboutDlg;
     aboutDlg.DoModal();
 }

 //文件列表框的弹出和关闭函数
 void CPandaPlayerDlg::OnOpenfiles()
 {
     // TODO: Add your control notification handler code here
     listFlag=!listFlag;
     if(listFlag)
     {
         //两个数字分别表示宽和高
         SetWindowPos(NULL,,,,,SWP_NOMOVE);
     }
     else
     {
         //文件列表的三个函数在wmpcontrols.h，wmpplaylist.h和wmpmedia.h中
         //分别是CWMPMedia GetCurrentItem();void SetCurrentItem(LPDISPATCH newValue);void playItem(LPDISPATCH pIWMPMedia);
         SetWindowPos(NULL,,,,,SWP_NOMOVE);
         CString str;
     }
 }

 //声音控制的静音函数
 void CPandaPlayerDlg::OnMute()
 {
     // TODO: Add your control notification handler code here
     if(setVolume.GetMute())
     {
         setVolume.SetMute(false);
     }
     else
     {
         setVolume.SetMute(true);
     }
 }

 //降低音量函数
 void CPandaPlayerDlg::OnLower()
 {
     // TODO: Add your control notification handler code here
     long currVolume = setVolume.GetVolume();
     if(setVolume.GetMute())
     {
         MessageBox(_T("已处于静音状态，不能降低音量"), _T("警告"), MB_OK);
     }
     else
     {
         setVolume.SetVolume(currVolume-);
     }
     //减少音量之后重新设置音量的滑动条的位置坐标
     volumeSlider = pSlidCtrl->GetPos();
     flag = ;
     OnOutofmemoryVolumeslider();
 }

 //音量增加函数
 void CPandaPlayerDlg::OnUpper()
 {
     // TODO: Add your control notification handler code here
     long currVolume = setVolume.GetVolume();
     if(setVolume.GetMute())
     {
         MessageBox(_T("已处于静音状态，不能增加音量"), _T("警告"), MB_OK);
     }
     else
     {
         setVolume.SetVolume(currVolume+);
     }
     //增加音量之后重新设置音量的滑动条的位置坐标
     volumeSlider = pSlidCtrl->GetPos();
     flag = ;
     OnOutofmemoryVolumeslider();
 }

 //音量滑块条的控制
 void CPandaPlayerDlg::OnOutofmemoryVolumeslider()
 {
     // TODO: Add your control notification handler code here
     int indexSlider;
     if(flag ==  || flag == )
     {
         pSlidCtrl->SetPos(setVolume.GetVolume());
     }
     else
     {
         indexSlider = pSlidCtrl->GetPos();
         //如果indexSlider-volumeSlider>0，说明滑动条往声音调大的范围滑动
         if(indexSlider-volumeSlider>=)
         {
             setVolume.SetVolume(setVolume.GetVolume()+((indexSlider-volumeSlider)/maxVloume)*);
         }
         else
         {
             setVolume.SetVolume(setVolume.GetVolume()-((indexSlider-volumeSlider)/maxVloume)*);
         }
     }
 }

 //退出函数
 void CPandaPlayerDlg::OnExit()
 {
     // TODO: Add your control notification handler code here
     setControl.stop();
     exit();
 }

 //窗口关闭函数
 void CPandaPlayerDlg::OnFullscreen()
 {
     // TODO: Add your control notification handler code here
     static int flag1 = ;
     if(flag1%==)
     {
         //将状态标志设为暂停的标志（暂停为1， 播放和停止为0）
         pauseStatus = ;
         playStatus = ;
         stopStatus = ;
         m_ActiveMovie.ShowWindow(false);
     }
     else
     {
         //将状态标志设为播放的标志（播放为1， 暂停和停止为0）
         pauseStatus = ;
         playStatus = ;
         stopStatus = ;
         m_ActiveMovie.ShowWindow(true);
     }
     flag1++;

 }

 //全屏模式
 void CPandaPlayerDlg::OnFullscr()
 {
     // TODO: Add your control notification handler code here
     if(m_ActiveMovie.GetFullScreen())
     {
         m_ActiveMovie.SetFullScreen(false);
     }
     else
     {
         m_ActiveMovie.SetFullScreen(true);
     }
 }

 //下一曲函数
 void CPandaPlayerDlg::OnNext()
 {
     // TODO: Add your control notification handler code here
     if(modelFlag==)
     {
         if(filesPath[times+] == "\0")
         {
             times = ;
             CString playFiles = filesPath[times++];
             m_ActiveMovie.SetUrl(playFiles);
         }
         else
         {
             CString playFiles = filesPath[times++];
             m_ActiveMovie.SetUrl(playFiles);
         }
     }
     else
     {
         if(filesPath[times+] == "\0")
         {
             MessageBox(_T("已到达文件列表尾"),_T("警告"),MB_OK);
         }
         else
         {
             CString playFiles = filesPath[times++];
             m_ActiveMovie.SetUrl(playFiles);
         }
     }
 }

 //上一曲函数
 void CPandaPlayerDlg::OnPrevious()
 {
     // TODO: Add your control notification handler code here
     if(modelFlag==)
     {
         if(times- < )
         {
             times = count;
             CString playFiles = filesPath[times--];
             m_ActiveMovie.SetUrl(playFiles);
         }
         else
         {
             CString playFiles = filesPath[times--];
             m_ActiveMovie.SetUrl(playFiles);
         }
     }
     else
     {
         if(times- < )
         {
             MessageBox(_T("已到达文件列表头"),_T("Warning"),MB_OK);
         }
         else
         {
             CString playFiles = filesPath[times--];
             m_ActiveMovie.SetUrl(playFiles);
         }
     }
 }

 //循环播放
 void CPandaPlayerDlg::OnLoop()
 {
     // TODO: Add your control notification handler code here
     modelFlag = ;
     if(filesPath[] == "\0")
     {
         MessageBox(_T("列表无文件！"),_T("警告"),MB_OK);
         CPandaPlayerDlg::OnOpen();
     }
     else
     {
         if(setControl.GetCurrentPosition() == )
         {
             //此时说明播放已经停止，可以进入下一曲播放了
             if(filesPath[times+] != "\0")
             {
                 CString playFiles = filesPath[times++];
                 m_ActiveMovie.SetUrl(playFiles);
                 setControl.SetCurrentPosition(0.01);
             }
             else
             {
                 times = ;
                 CString playFiles = filesPath[times++];
                 m_ActiveMovie.SetUrl(playFiles);
                 setControl.SetCurrentPosition(0.01);
             }
         }
         else
         {
             //通过标志来判断是否进行那种类型的播放状态
             if(playStatus ==  && pauseStatus ==  && stopStatus == )
                 setControl.play();
             else if(pauseStatus ==  && playStatus ==  && stopStatus == )
                 setControl.pause();
             else if(stopStatus ==  && playStatus ==  && pauseStatus == )
                 setControl.stop();
             else
             {
                 MessageBox(_T("出现错误"),_T("ERROR"),MB_OK);
             }
         }
     }
     SetTimer(,,NULL);
 }

 //顺序播放
 void CPandaPlayerDlg::OnOrder()
 {
     // TODO: Add your control notification handler code here
     modelFlag = ;
     if(filesPath[] == "\0")
     {
         MessageBox(_T("列表无文件！"),_T("警告"),MB_OK);
         CPandaPlayerDlg::OnOpen();
     }
     else
     {
         if(setControl.GetCurrentPosition() == )
         {
             //此时说明播放已经停止，可以进入下一曲播放了
             //首先判断列表是否为空
             if(filesPath[times+] != "\0")
             {
                 CString playFiles = filesPath[times++];
                 m_ActiveMovie.SetUrl(playFiles);
                 setControl.SetCurrentPosition(0.01);
             }
             else
             {
                 MessageBox(_T("已到列表末尾！"),_T("Warning"),MB_OK);
                 CString playFiles = filesPath[];
                 m_ActiveMovie.SetUrl(playFiles);
                 setControl.SetCurrentPosition(0.01);
             }
         }
         else
         {
             if(playStatus ==  && pauseStatus ==  && stopStatus == )
                 setControl.play();
             else if(pauseStatus ==  && playStatus ==  && stopStatus == )
                 setControl.pause();
             else if(stopStatus ==  && playStatus ==  && pauseStatus == )
                 setControl.stop();
             else
             {
                 MessageBox(_T("出现错误"),_T("ERROR"),MB_OK);
             }
         }
     }
     SetTimer(,,NULL);
 }

 //随机播放
 void CPandaPlayerDlg::OnRandom()
 {
     // TODO: Add your control notification handler code here
     modelFlag = ;
     if(filesPath[] == "\0")
     {
         MessageBox(_T("列表无文件！"),_T("警告"),MB_OK);
         CPandaPlayerDlg::OnOpen();
     }
     else
     {
         if(setControl.GetCurrentPosition() == )
         {
             //此时说明播放已经停止，可以进入下一曲播放了
             srand((unsigned)time(&t));
             int index = rand() % count + ;
             CString playFiles = filesPath[index];
             m_ActiveMovie.SetUrl(playFiles);
             setControl.SetCurrentPosition(0.01);
         }
         else
         {
             if(playStatus ==  && pauseStatus ==  && stopStatus == )
                 setControl.play();
             else if(pauseStatus ==  && playStatus ==  && stopStatus == )
                 setControl.pause();
             else if(stopStatus ==  && playStatus ==  && pauseStatus == )
                 setControl.stop();
             else
             {
                 MessageBox(_T("出现错误"),_T("ERROR"),MB_OK);
             }
         }
     }
     SetTimer(,,NULL);
 }

 //单曲循环播放
 void CPandaPlayerDlg::OnOnlyplay()
 {
     // TODO: Add your control notification handler code here
     modelFlag = ;
     if(filesPath[] == "\0")
     {
         MessageBox(_T("列表无文件！"),_T("警告"),MB_OK);
         CPandaPlayerDlg::OnOpen();
     }
     else
     {
         if(setControl.GetCurrentPosition() == )
         {
             int index = times;
             CString playFiles = filesPath[index];
             m_ActiveMovie.SetUrl(playFiles);
             setControl.SetCurrentPosition(0.01);
         }
         else
         {
             if(playStatus ==  && pauseStatus ==  && stopStatus == )
                 setControl.play();
             else if(pauseStatus ==  && playStatus ==  && stopStatus == )
                 setControl.pause();
             else if(stopStatus ==  && playStatus ==  && pauseStatus == )
                 setControl.stop();
             else
             {
                 MessageBox(_T("出现错误"),_T("ERROR"),MB_OK);
             }
         }
     }
     SetTimer(,,NULL);
 }

 //定时器
 void CPandaPlayerDlg::OnTimer(UINT nIDEvent)
 {
     // TODO: Add your message handler code here and/or call default

     switch(nIDEvent)
     {
     case :
         {
             KillTimer();
             OnLoop();
             break;
         }
     case :
         {
             KillTimer();
             OnOrder();
             break;
         }
     case :
         {
             KillTimer();
             OnRandom();
             break;
         }
     case :
         {
             KillTimer();
             OnOnlyplay();
             break;
         }
     }

     CDialog::OnTimer(nIDEvent);
 }