基于MFC的Media Player播放器的制作（4---功能实现代码）

PandaPlayerDlg.h

 1 // PandaPlayerDlg.h : header file
 2 //
 3 //{{AFX_INCLUDES()
 4 #include "wmpplayer4.h"
 5 #include "wmpcontrols.h"
 6 #include "wmpsettings.h"
 7 //}}AFX_INCLUDES
 8 
 9 #if !defined(AFX_PANDAPLAYERDLG_H__BD44EB72_E7B8_4CCE_831C_6781A9FDFD2B__INCLUDED_)
10 #define AFX_PANDAPLAYERDLG_H__BD44EB72_E7B8_4CCE_831C_6781A9FDFD2B__INCLUDED_
11 
12 #if _MSC_VER > 1000
13 #pragma once
14 #endif // _MSC_VER > 1000
15 
16 /////////////////////////////////////////////////////////////////////////////
17 // CPandaPlayerDlg dialog
18 
19 class CPandaPlayerDlg : public CDialog
20 {
21 // Construction
22 public:
23     CPandaPlayerDlg(CWnd* pParent = NULL);    // standard constructor
24 
25     //文件关联对象的变量声明
26     CWMPControls setControl;
27     CWMPSettings setVolume;
28     CSliderCtrl *pSlidCtrl;
29     CSliderCtrl    sliderVolume;
30 
31 
32     // Dialog Data
33     //{{AFX_DATA(CPandaPlayerDlg)
34     enum { IDD = IDD_PANDAPLAYER_DIALOG };
35     CWMPPlayer4    m_ActiveMovie;
36     //}}AFX_DATA
37 
38     // ClassWizard generated virtual function overrides
39     //{{AFX_VIRTUAL(CPandaPlayerDlg)
40     protected:
41     virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
42     //}}AFX_VIRTUAL
43 
44 // Implementation
45 protected:
46     HICON m_hIcon;
47 
48     void listDisplay(CString a[]);
49 
50     // Generated message map functions
51     //{{AFX_MSG(CPandaPlayerDlg)
52     virtual BOOL OnInitDialog();
53     afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
54     afx_msg void OnPaint();
55     afx_msg HCURSOR OnQueryDragIcon();
56     afx_msg void OnExit();
57     afx_msg void OnFullscreen();
58     afx_msg void OnOpen();
59     afx_msg void OnPlay();
60     afx_msg void OnPause();
61     afx_msg void OnStop();
62     afx_msg void OnGo();
63     afx_msg void OnBack();
64     afx_msg void OnAbout();
65     afx_msg void OnOpenfiles();
66     afx_msg void OnMute();
67     afx_msg void OnLower();
68     afx_msg void OnUpper();
69     afx_msg void OnOutofmemoryVolumeslider();
70     afx_msg void OnNext();
71     afx_msg void OnPrevious();
72     afx_msg void OnLoop();
73     afx_msg void OnOrder();
74     afx_msg void OnRandom();
75     afx_msg void OnTimer(UINT nIDEvent);
76     afx_msg void OnFullscr();
77     afx_msg void OnOnlyplay();
78     //}}AFX_MSG
79     DECLARE_MESSAGE_MAP()
80 };
81 
82 //{{AFX_INSERT_LOCATION}}
83 // Microsoft Visual C++ will insert additional declarations immediately before the previous line.
84 
85 #endif // !defined(AFX_PANDAPLAYERDLG_H__BD44EB72_E7B8_4CCE_831C_6781A9FDFD2B__INCLUDED_)

PandaPlayerDlg.cpp

  1 // PandaPlayerDlg.cpp : implementation file
  2 //
  3 
  4 #include "stdafx.h"
  5 #include "PandaPlayer.h"
  6 #include "PandaPlayerDlg.h"
  7 
  8 #ifdef _DEBUG
  9 #define new DEBUG_NEW
 10 #undef THIS_FILE
 11 static char THIS_FILE[] = __FILE__;
 12 #endif
 13 
 14 //文件数组大小预定义
 15 #define N 100
 16 
 17 //全局变量声明
 18 static int count = 0;
 19 static int times = 0;
 20 static int modelFlag = 0;
 21 static int flag = 0;
 22 
 23 //0表示
 24 static int playStatus = 1;
 25 static int pauseStatus = 0;
 26 static int stopStatus = 0;
 27 
 28 static int volumeSlider = 0;
 29 static long maxVloume = 0;
 30 static bool listFlag = true;
 31 CString filesPath[N] = {""};
 32 time_t t;
 33 
 34 
 35 /////////////////////////////////////////////////////////////////////////////
 36 // CAboutDlg dialog used for App About
 37 
 38 class CAboutDlg : public CDialog
 39 {
 40 public:
 41     CAboutDlg();
 42 
 43 // Dialog Data
 44     //{{AFX_DATA(CAboutDlg)
 45     enum { IDD = IDD_ABOUTBOX };
 46     //}}AFX_DATA
 47 
 48     // ClassWizard generated virtual function overrides
 49     //{{AFX_VIRTUAL(CAboutDlg)
 50     protected:
 51     virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
 52     //}}AFX_VIRTUAL
 53 
 54 // Implementation
 55 protected:
 56     //{{AFX_MSG(CAboutDlg)
 57     //}}AFX_MSG
 58     DECLARE_MESSAGE_MAP()
 59 };
 60 
 61 CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
 62 {
 63     //{{AFX_DATA_INIT(CAboutDlg)
 64     //}}AFX_DATA_INIT
 65 }
 66 
 67 void CAboutDlg::DoDataExchange(CDataExchange* pDX)
 68 {
 69     CDialog::DoDataExchange(pDX);
 70     //{{AFX_DATA_MAP(CAboutDlg)
 71     //}}AFX_DATA_MAP
 72 }
 73 
 74 BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
 75     //{{AFX_MSG_MAP(CAboutDlg)
 76         // No message handlers
 77     //}}AFX_MSG_MAP
 78 END_MESSAGE_MAP()
 79 
 80 /////////////////////////////////////////////////////////////////////////////
 81 // CPandaPlayerDlg dialog
 82 
 83 CPandaPlayerDlg::CPandaPlayerDlg(CWnd* pParent /*=NULL*/)
 84     : CDialog(CPandaPlayerDlg::IDD, pParent)
 85 {
 86     //{{AFX_DATA_INIT(CPandaPlayerDlg)
 87         // NOTE: the ClassWizard will add member initialization here
 88     //}}AFX_DATA_INIT
 89     // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
 90     m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
 91 }
 92 
 93 void CPandaPlayerDlg::DoDataExchange(CDataExchange* pDX)
 94 {
 95     CDialog::DoDataExchange(pDX);
 96     //{{AFX_DATA_MAP(CPandaPlayerDlg)
 97     DDX_Control(pDX, IDC_OCX1, m_ActiveMovie);
 98     //}}AFX_DATA_MAP
 99 }
100 
101 BEGIN_MESSAGE_MAP(CPandaPlayerDlg, CDialog)
102     //{{AFX_MSG_MAP(CPandaPlayerDlg)
103     ON_WM_SYSCOMMAND()
104     ON_WM_PAINT()
105     ON_WM_QUERYDRAGICON()
106     ON_BN_CLICKED(IDC_EXIT, OnExit)
107     ON_BN_CLICKED(IDC_FULLSCREEN, OnFullscreen)
108     ON_BN_CLICKED(IDC_OPEN, OnOpen)
109     ON_BN_CLICKED(IDC_PLAY, OnPlay)
110     ON_BN_CLICKED(IDC_PAUSE, OnPause)
111     ON_BN_CLICKED(IDC_STOP, OnStop)
112     ON_BN_CLICKED(IDC_GO, OnGo)
113     ON_BN_CLICKED(IDC_BACK, OnBack)
114     ON_BN_CLICKED(IDC_ABOUT, OnAbout)
115     ON_BN_CLICKED(IDC_OPENFILES, OnOpenfiles)
116     ON_BN_CLICKED(IDC_MUTE, OnMute)
117     ON_BN_CLICKED(IDC_LOWER, OnLower)
118     ON_BN_CLICKED(IDC_UPPER, OnUpper)
119     ON_NOTIFY(NM_OUTOFMEMORY, IDC_VOLUMESLIDER, OnOutofmemoryVolumeslider)
120     ON_BN_CLICKED(IDC_NEXT, OnNext)
121     ON_BN_CLICKED(IDC_PREVIOUS, OnPrevious)
122     ON_BN_CLICKED(IDC_LOOP, OnLoop)
123     ON_BN_CLICKED(IDC_ORDER, OnOrder)
124     ON_BN_CLICKED(IDC_RANDOM, OnRandom)
125     ON_WM_TIMER()
126     ON_BN_CLICKED(IDC_FULLSCR, OnFullscr)
127     ON_BN_CLICKED(IDC_ONLYPLAY, OnOnlyplay)
128     //}}AFX_MSG_MAP
129 END_MESSAGE_MAP()
130 
131 /////////////////////////////////////////////////////////////////////////////
132 // CPandaPlayerDlg message handlers
133 
134 BOOL CPandaPlayerDlg::OnInitDialog()
135 {
136     CDialog::OnInitDialog();
137 
138     //添加文件关联
139     setControl = static_cast<CWMPControls>(m_ActiveMovie.GetControls());
140     setVolume = m_ActiveMovie.GetSettings();
141 
142     //文件列表的初始化的状态为列表处于关闭的状态
143     SetWindowPos(NULL,0,0,542,435,SWP_NOMOVE);
144 
145     //初始化音量的滑块条的初始位置
146     //sliderVolume.SetRange(0, 100, true);
147     pSlidCtrl = (CSliderCtrl*)GetDlgItem(IDC_VOLUMESLIDER);
148     pSlidCtrl->SetPos(setVolume.GetVolume());
149 
150     //得到初始化时的声音滑块条的位置坐标
151     volumeSlider = pSlidCtrl->GetPos();
152 
153     //得到最大的音量值
154     maxVloume = setVolume.GetVolume();// * 2
155 
156     //初始化文件数组
157     filesPath[0] = "";
158 
159     // Add "About..." menu item to system menu.
160 
161     // IDM_ABOUTBOX must be in the system command range.
162     ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
163     ASSERT(IDM_ABOUTBOX < 0xF000);
164 
165     CMenu* pSysMenu = GetSystemMenu(FALSE);
166     if (pSysMenu != NULL)
167     {
168         CString strAboutMenu;
169         strAboutMenu.LoadString(IDS_ABOUTBOX);
170         if (!strAboutMenu.IsEmpty())
171         {
172             pSysMenu->AppendMenu(MF_SEPARATOR);
173             pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
174         }
175     }
176 
177     // Set the icon for this dialog.  The framework does this automatically
178     //  when the application's main window is not a dialog
179     SetIcon(m_hIcon, TRUE);            // Set big icon
180     SetIcon(m_hIcon, FALSE);        // Set small icon
181     
182     // TODO: Add extra initialization here
183     
184     return TRUE;  // return TRUE  unless you set the focus to a control
185 }
186 
187 void CPandaPlayerDlg::OnSysCommand(UINT nID, LPARAM lParam)
188 {
189     if ((nID & 0xFFF0) == IDM_ABOUTBOX)
190     {
191         CAboutDlg dlgAbout;
192         dlgAbout.DoModal();
193     }
194     else
195     {
196         CDialog::OnSysCommand(nID, lParam);
197     }
198 }
199 
200 // If you add a minimize button to your dialog, you will need the code below
201 //  to draw the icon.  For MFC applications using the document/view model,
202 //  this is automatically done for you by the framework.
203 
204 void CPandaPlayerDlg::OnPaint() 
205 {
206     if (IsIconic())
207     {
208         CPaintDC dc(this); // device context for painting
209 
210         SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
211 
212         // Center icon in client rectangle
213         int cxIcon = GetSystemMetrics(SM_CXICON);
214         int cyIcon = GetSystemMetrics(SM_CYICON);
215         CRect rect;
216         GetClientRect(&rect);
217         int x = (rect.Width() - cxIcon + 1) / 2;
218         int y = (rect.Height() - cyIcon + 1) / 2;
219 
220         // Draw the icon
221         dc.DrawIcon(x, y, m_hIcon);
222     }
223     else
224     {
225         CDialog::OnPaint();
226     }
227 }
228 
229 // The system calls this to obtain the cursor to display while the user drags
230 //  the minimized window.
231 HCURSOR CPandaPlayerDlg::OnQueryDragIcon()
232 {
233     return (HCURSOR) m_hIcon;
234 }
235 
236 //打开文件
237 void CPandaPlayerDlg::OnOpen() 
238 {
239     // TODO: Add your control notification handler code here
240     char   szFileFilter[]="Mp3   File&(*.mp3)|*.mp3|"
241         "Wma   File((*.wma)|*.wma|"
242         "Video   File(*.dat)|*.dat|"
243         "Wave   File(*.wav)|*.wav|"
244         "AVI   File(*.avi)|*.avi|"
245         "Movie   File(*.mov)|*.mov|"
246         "Media   File(*.mmm)|*.mmm|"
247         "Mid   File(*.mid *.rmi)|*.mid *.rmi|"
248         "MPEG   File(*.mpeg)|*.mpeg|"
249         "All   File(*.*)|*.*|| ";//文件类型过滤
250         CFileDialog   dlg(TRUE,NULL,NULL,OFN_HIDEREADONLY,szFileFilter);
251         if(dlg.DoModal()==IDOK)
252         {
253             CString strFilePath = dlg.GetPathName();
254             //strFilePath.MakeUpper();
255             filesPath[count++] = strFilePath;
256             m_ActiveMovie.SetUrl(strFilePath);
257             times = count;
258         }
259 }
260 
261 //列表播放文件项目的显示
262 void CPandaPlayerDlg::listDisplay(CString fileUrl[])
263 {
264     int index = times;
265     for(int i = 0; i < index; i++)
266     {
267         
268     }
269 }
270 
271 //播放文件
272 void CPandaPlayerDlg::OnPlay() 
273 {
274     // TODO: Add your control notification handler code here
275     setControl.play();
276     //如果是播放状态的时候，播放则为1，暂停和停止均为0
277     playStatus = 1;
278     pauseStatus = 0;
279     stopStatus = 0;
280 }
281 
282 //暂停播放
283 void CPandaPlayerDlg::OnPause() 
284 {
285     // TODO: Add your control notification handler code here
286     setControl.pause();
287     //如果暂停为真，则暂停为1，播放和停止为0
288     playStatus = 0;
289     pauseStatus = 1;
290     stopStatus = 0;
291 }
292 
293 //停止播放
294 void CPandaPlayerDlg::OnStop() 
295 {
296     // TODO: Add your control notification handler code here
297     setControl.stop();
298     //如果停止为真，则停止为1，播放和暂停为0
299     playStatus = 0;
300     pauseStatus = 0;
301     stopStatus = 1;
302 
303 }
304 
305 //快进
306 void CPandaPlayerDlg::OnGo() 
307 {
308     // TODO: Add your control notification handler code here
309     double CurrPosition = setControl.GetCurrentPosition();
310     setControl.SetCurrentPosition(CurrPosition+2);
311 }
312 
313 //快退
314 void CPandaPlayerDlg::OnBack() 
315 {
316     // TODO: Add your control notification handler code here
317     double CurrPosition = setControl.GetCurrentPosition();
318     setControl.SetCurrentPosition(CurrPosition-2);
319 }
320 
321 //关于框的调用函数
322 void CPandaPlayerDlg::OnAbout() 
323 {
324     // TODO: Add your control notification handler code here
325     CAboutDlg aboutDlg;
326     aboutDlg.DoModal();
327 }
328 
329 //文件列表框的弹出和关闭函数
330 void CPandaPlayerDlg::OnOpenfiles() 
331 {
332     // TODO: Add your control notification handler code here
333     listFlag=!listFlag;
334     if(listFlag)
335     {
336         //两个数字分别表示宽和高
337         SetWindowPos(NULL,0,0,542,435,SWP_NOMOVE);
338     }
339     else
340     {
341         //文件列表的三个函数在wmpcontrols.h，wmpplaylist.h和wmpmedia.h中
342         //分别是CWMPMedia GetCurrentItem();void SetCurrentItem(LPDISPATCH newValue);void playItem(LPDISPATCH pIWMPMedia);    
343         SetWindowPos(NULL,0,0,730,435,SWP_NOMOVE);
344         CString str;
345     }
346 }
347 
348 //声音控制的静音函数
349 void CPandaPlayerDlg::OnMute() 
350 {
351     // TODO: Add your control notification handler code here
352     if(setVolume.GetMute())
353     {
354         setVolume.SetMute(false);
355     }
356     else
357     {
358         setVolume.SetMute(true);
359     }
360 }
361 
362 //降低音量函数
363 void CPandaPlayerDlg::OnLower() 
364 {
365     // TODO: Add your control notification handler code here
366     long currVolume = setVolume.GetVolume();
367     if(setVolume.GetMute())
368     {
369         MessageBox(_T("已处于静音状态，不能降低音量"), _T("警告"), MB_OK);
370     }
371     else
372     {
373         setVolume.SetVolume(currVolume-2);
374     }
375     //减少音量之后重新设置音量的滑动条的位置坐标
376     volumeSlider = pSlidCtrl->GetPos();
377     flag = 1;
378     OnOutofmemoryVolumeslider();
379 }
380 
381 //音量增加函数
382 void CPandaPlayerDlg::OnUpper() 
383 {
384     // TODO: Add your control notification handler code here
385     long currVolume = setVolume.GetVolume();
386     if(setVolume.GetMute())
387     {
388         MessageBox(_T("已处于静音状态，不能增加音量"), _T("警告"), MB_OK);
389     }
390     else
391     {
392         setVolume.SetVolume(currVolume+2);
393     }
394     //增加音量之后重新设置音量的滑动条的位置坐标
395     volumeSlider = pSlidCtrl->GetPos();
396     flag = 2;
397     OnOutofmemoryVolumeslider();
398 }
399 
400 //音量滑块条的控制
401 void CPandaPlayerDlg::OnOutofmemoryVolumeslider()
402 {
403     // TODO: Add your control notification handler code here
404     int indexSlider;
405     if(flag == 1 || flag == 2)
406     {
407         pSlidCtrl->SetPos(setVolume.GetVolume());
408     }
409     else
410     {
411         indexSlider = pSlidCtrl->GetPos();
412         //如果indexSlider-volumeSlider>0，说明滑动条往声音调大的范围滑动
413         if(indexSlider-volumeSlider>=0)
414         {
415             setVolume.SetVolume(setVolume.GetVolume()+((indexSlider-volumeSlider)/maxVloume)*2);
416         }
417         else
418         {
419             setVolume.SetVolume(setVolume.GetVolume()-((indexSlider-volumeSlider)/maxVloume)*2);
420         }
421     }
422 }
423 
424 //退出函数
425 void CPandaPlayerDlg::OnExit() 
426 {
427     // TODO: Add your control notification handler code here
428     setControl.stop();
429     exit(0);
430 }
431 
432 //窗口关闭函数
433 void CPandaPlayerDlg::OnFullscreen() 
434 {
435     // TODO: Add your control notification handler code here
436     static int flag1 = 0;
437     if(flag1%2==0)
438     {
439         //将状态标志设为暂停的标志（暂停为1， 播放和停止为0）
440         pauseStatus = 1;
441         playStatus = 0;
442         stopStatus = 0;
443         m_ActiveMovie.ShowWindow(false);
444     }
445     else
446     {
447         //将状态标志设为播放的标志（播放为1， 暂停和停止为0）
448         pauseStatus = 0;
449         playStatus = 1;
450         stopStatus = 0;
451         m_ActiveMovie.ShowWindow(true);
452     }
453     flag1++;
454 
455 }
456 
457 //全屏模式
458 void CPandaPlayerDlg::OnFullscr() 
459 {
460     // TODO: Add your control notification handler code here
461     if(m_ActiveMovie.GetFullScreen())
462     {
463         m_ActiveMovie.SetFullScreen(false);
464     }
465     else
466     {
467         m_ActiveMovie.SetFullScreen(true);
468     }
469 }
470 
471 //下一曲函数
472 void CPandaPlayerDlg::OnNext() 
473 {
474     // TODO: Add your control notification handler code here
475     if(modelFlag==1)
476     {
477         if(filesPath[times+1] == "")
478         {
479             times = 0;
480             CString playFiles = filesPath[times++];
481             m_ActiveMovie.SetUrl(playFiles);
482         }
483         else
484         {
485             CString playFiles = filesPath[times++];
486             m_ActiveMovie.SetUrl(playFiles);
487         }
488     }
489     else
490     {
491         if(filesPath[times+1] == "")
492         {
493             MessageBox(_T("已到达文件列表尾"),_T("警告"),MB_OK);
494         }
495         else
496         {
497             CString playFiles = filesPath[times++];
498             m_ActiveMovie.SetUrl(playFiles);
499         }
500     }
501 }
502 
503 //上一曲函数
504 void CPandaPlayerDlg::OnPrevious() 
505 {
506     // TODO: Add your control notification handler code here
507     if(modelFlag==1)
508     {
509         if(times-1 < 0)
510         {
511             times = count;
512             CString playFiles = filesPath[times--];
513             m_ActiveMovie.SetUrl(playFiles);
514         }
515         else
516         {
517             CString playFiles = filesPath[times--];
518             m_ActiveMovie.SetUrl(playFiles);
519         }
520     }
521     else
522     {
523         if(times-1 < 0)
524         {
525             MessageBox(_T("已到达文件列表头"),_T("Warning"),MB_OK);
526         }
527         else
528         {
529             CString playFiles = filesPath[times--];
530             m_ActiveMovie.SetUrl(playFiles);
531         }
532     }
533 }
534 
535 //循环播放
536 void CPandaPlayerDlg::OnLoop()
537 {
538     // TODO: Add your control notification handler code here
539     modelFlag = 1;
540     if(filesPath[0] == "")
541     {
542         MessageBox(_T("列表无文件！"),_T("警告"),MB_OK);
543         CPandaPlayerDlg::OnOpen();
544     }
545     else
546     {
547         if(setControl.GetCurrentPosition() == 0)
548         {
549             //此时说明播放已经停止，可以进入下一曲播放了
550             if(filesPath[times+1] != "")
551             {
552                 CString playFiles = filesPath[times++];
553                 m_ActiveMovie.SetUrl(playFiles);
554                 setControl.SetCurrentPosition(0.01);
555             }
556             else
557             {
558                 times = 0;
559                 CString playFiles = filesPath[times++];
560                 m_ActiveMovie.SetUrl(playFiles);
561                 setControl.SetCurrentPosition(0.01);
562             }
563         }
564         else
565         {
566             //通过标志来判断是否进行那种类型的播放状态
567             if(playStatus == 1 && pauseStatus == 0 && stopStatus == 0)
568                 setControl.play();
569             else if(pauseStatus == 1 && playStatus == 0 && stopStatus == 0)
570                 setControl.pause();
571             else if(stopStatus == 1 && playStatus == 0 && pauseStatus == 0)
572                 setControl.stop();
573             else
574             {
575                 MessageBox(_T("出现错误"),_T("ERROR"),MB_OK);
576             }
577         }
578     }
579     SetTimer(1,20,NULL);
580 }
581 
582 //顺序播放
583 void CPandaPlayerDlg::OnOrder() 
584 {
585     // TODO: Add your control notification handler code here
586     modelFlag = 2;
587     if(filesPath[0] == "")
588     {
589         MessageBox(_T("列表无文件！"),_T("警告"),MB_OK);
590         CPandaPlayerDlg::OnOpen();
591     }
592     else
593     {
594         if(setControl.GetCurrentPosition() == 0)
595         {
596             //此时说明播放已经停止，可以进入下一曲播放了
597             //首先判断列表是否为空
598             if(filesPath[times+1] != "")
599             {
600                 CString playFiles = filesPath[times++];
601                 m_ActiveMovie.SetUrl(playFiles);
602                 setControl.SetCurrentPosition(0.01);
603             }
604             else
605             {
606                 MessageBox(_T("已到列表末尾！"),_T("Warning"),MB_OK);
607                 CString playFiles = filesPath[0];
608                 m_ActiveMovie.SetUrl(playFiles);
609                 setControl.SetCurrentPosition(0.01);
610             }
611         }
612         else
613         {
614             if(playStatus == 1 && pauseStatus == 0 && stopStatus == 0)
615                 setControl.play();
616             else if(pauseStatus == 1 && playStatus == 0 && stopStatus == 0)
617                 setControl.pause();
618             else if(stopStatus == 1 && playStatus == 0 && pauseStatus == 0)
619                 setControl.stop();
620             else
621             {
622                 MessageBox(_T("出现错误"),_T("ERROR"),MB_OK);
623             }
624         }
625     }
626     SetTimer(2,20,NULL);
627 }
628 
629 //随机播放
630 void CPandaPlayerDlg::OnRandom() 
631 {
632     // TODO: Add your control notification handler code here
633     modelFlag = 3;
634     if(filesPath[0] == "")
635     {
636         MessageBox(_T("列表无文件！"),_T("警告"),MB_OK);
637         CPandaPlayerDlg::OnOpen();
638     }
639     else
640     {
641         if(setControl.GetCurrentPosition() == 0)
642         {
643             //此时说明播放已经停止，可以进入下一曲播放了
644             srand((unsigned)time(&t));
645             int index = rand() % count + 1;    
646             CString playFiles = filesPath[index];
647             m_ActiveMovie.SetUrl(playFiles);
648             setControl.SetCurrentPosition(0.01);
649         }
650         else
651         {
652             if(playStatus == 1 && pauseStatus == 0 && stopStatus == 0)
653                 setControl.play();
654             else if(pauseStatus == 1 && playStatus == 0 && stopStatus == 0)
655                 setControl.pause();
656             else if(stopStatus == 1 && playStatus == 0 && pauseStatus == 0)
657                 setControl.stop();
658             else
659             {
660                 MessageBox(_T("出现错误"),_T("ERROR"),MB_OK);
661             }
662         }
663     }
664     SetTimer(3,20,NULL);
665 }
666 
667 
668 //单曲循环播放
669 void CPandaPlayerDlg::OnOnlyplay() 
670 {
671     // TODO: Add your control notification handler code here
672     modelFlag = 4;
673     if(filesPath[0] == "")
674     {
675         MessageBox(_T("列表无文件！"),_T("警告"),MB_OK);
676         CPandaPlayerDlg::OnOpen();
677     }
678     else
679     {
680         if(setControl.GetCurrentPosition() == 0)
681         {
682             int index = times;
683             CString playFiles = filesPath[index];
684             m_ActiveMovie.SetUrl(playFiles);
685             setControl.SetCurrentPosition(0.01);
686         }
687         else
688         {
689             if(playStatus == 1 && pauseStatus == 0 && stopStatus == 0)
690                 setControl.play();
691             else if(pauseStatus == 1 && playStatus == 0 && stopStatus == 0)
692                 setControl.pause();
693             else if(stopStatus == 1 && playStatus == 0 && pauseStatus == 0)
694                 setControl.stop();
695             else
696             {
697                 MessageBox(_T("出现错误"),_T("ERROR"),MB_OK);
698             }
699         }
700     }
701     SetTimer(4,20,NULL);
702 }
703 
704 
705 //定时器
706 void CPandaPlayerDlg::OnTimer(UINT nIDEvent) 
707 {
708     // TODO: Add your message handler code here and/or call default
709 
710     switch(nIDEvent)
711     {
712     case 1:
713         {
714             KillTimer(1);
715             OnLoop();
716             break;
717         }
718     case 2:
719         {
720             KillTimer(2);
721             OnOrder();
722             break;
723         }
724     case 3:
725         {
726             KillTimer(3);
727             OnRandom();
728             break;
729         }
730     case 4:
731         {
732             KillTimer(4);
733             OnOnlyplay();
734             break;
735         }
736     }
737     
738     CDialog::OnTimer(nIDEvent);
739 }

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原文地址：https://www.cnblogs.com/geore/p/5792831.html