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1. //win32 攝像頭捕獲系統vfw  

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1. //  VideoRecord.h  
2. ///  用于定義一些資源ID  

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1. #include "resource.h"  
2.   
3. //#define EXIT  104  
4. #define HELP  105  
5. #define MINIMIZE 106  
6. //#define DISPLAY  107  
7. #define BUTTONSIZE  15  
8. #define PHOTO   108  
9. #define RECORDVIDEO 109  
10. // #define RESOURCE 110  
11. // #define FORMAT   111  
12. #define CONNECT 112  
13.    

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1. #include <Windows.h>  
2. #include <STRING>  
3. #include <vfw.h>  
4. #include "VideoRecord.h"  
5.   
6. #pragma comment(lib, "vfw32.lib")  
7.   
8. LRESULT WINAPI MainWndProc( HWND, UINT, WPARAM, LPARAM );  
9. LRESULT WINAPI SelCapDrcProc( HWND, UINT, WPARAM, LPARAM );  
10. int EnumCapDrv();  
11. VOID APIENTRY HandlePopupMenu(HWND, POINT);  // 右鍵彈出菜單回調函數  
12. WORD WINAPI VideoThreadProc( LPVOID lParam); // 視頻捕捉線程函數  
13.   
14. ////////////////全局變量  
15.   
16. HANDLE ghInstance;  // 應用程序實例  
17. HWND hwndMain;  // 主窗口句柄  
18. HWND hwndVideo;  // 視頻捕捉窗口句柄  
19. HWND hwndSelCapDrvDlg; // 選擇捕捉驅動對話框句柄  
20. HWND hwndSelCapDrvLBox; // 選擇驅動對話框列舉驅動名稱列表框句柄  
21. HWND hwndExit;  
22. HWND hwndMin;  
23. HWND hwndHelp;  
24. HWND hwndPhoto;  
25. HWND hwndRecord;  
26. HWND hwndBtnExit;  
27. HWND hwndSource;  
28. HWND hwndFormat;  
29. HWND hwndConnect;  
30. HANDLE hVideoTread; // 視頻采集線程  
31. HRGN hRoundRgn; // 窗口修正區域  
32. CAPDRIVERCAPS capDrvCaps; // 驅動性能  
33. bool bRecordFileOpen = false;  // 錄像開始標志  
34. bool bPhotoFileOpen = false;  // 照相開始標志  
35. bool bRecording = false;  // 判斷是否正在錄像  
36. bool bThreadEnd = false; // 判斷視頻線程是否終止  
37. char recordFile[260]; //保持錄像標志  
38. char photoFile[260]; // 保持照相標志  
39. char gachBuffer[260]; // 保存錯誤信息  
40.   
41. //////////////////////////////////////////////////////////////////////////////  
42. // ErrorCallbackProc:    錯誤回調函數,過capSetCallbackOnError宏來注冊回調   
43. // hWnd:              捕獲窗口句柄   
44. // nErrID:              錯誤代碼   
45. // lpErrorText:          關于錯誤的文本信息   
46. ///////////////////////////////////////////////////////////////////////////////   
47. LRESULT CALLBACK ErrorCallbackProc(HWND hWnd,int nErrID,LPSTR lpErrorText)  
48. {  
49.     if(!hwndMain)  
50.         return FALSE;  
51.     if(nErrID==0)  
52.         return TRUE;//清除舊的錯誤  
53.     wsprintf(gachBuffer,"Error# %d",nErrID);//顯示錯誤標識和文本  
54.     MessageBox(hWnd, lpErrorText, gachBuffer,MB_OK | MB_ICONEXCLAMATION);   
55.     return (LRESULT) TRUE;  
56. }  
57.   
58. /////////////////////////////////////  
59. int PASCAL WinMain( IN HINSTANCE hInstance,   
60.                    IN HINSTANCE hPrevInstance,   
61.                    IN LPSTR lpCmdLine,   
62.                    IN int nShowCmd )  
63. {  
64.     WNDCLASS wndClass;  
65.     MSG msg;  
66.     char className[] = "VideoClass";  
67.     // 如果不是前實例  
68.     if (!hPrevInstance)  
69.     {  
70.         wndClass.lpszClassName = className;  
71.         wndClass.lpfnWndProc = MainWndProc;  
72.         wndClass.style = CS_HREDRAW|CS_VREDRAW|CS_OWNDC;  
73.         wndClass.hInstance = hInstance;  
74.         wndClass.hCursor = LoadCursor(NULL, IDC_ARROW);  
75.         wndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);  
76.         wndClass.hbrBackground = CreateSolidBrush( RGB(200,200,100) );  
77.         wndClass.lpszMenuName = NULL;  
78.         wndClass.cbClsExtra = 0;  
79.         wndClass.cbWndExtra = 0;  
80.         RegisterClass( &wndClass );  
81.     }  
82.     ghInstance = hInstance;  
83.     // 創建主窗口  
84.     hwndMain = CreateWindow(className,  
85.         "視頻監控系統",  
86.         WS_POPUP|WS_OVERLAPPED,  
87.         GetSystemMetrics(SM_CXFULLSCREEN)/2 - 600/2,  
88.         GetSystemMetrics(SM_CYFULLSCREEN)/2-600/2,  
89.         600, 600,  
90.         NULL,  
91.         NULL,  
92.         hInstance,  
93.         NULL);  
94.   
95.     ShowWindow(hwndMain, nShowCmd);  
96.   
97.     // 設定主窗口主要區域  
98.     SetWindowRgn(hwndMain, hRoundRgn, 1);  
99.       
100.     while( GetMessage(&msg, NULL, 0, 0))  
101.     {  
102.         TranslateMessage(&msg);//該函數將虛擬鍵消息轉換為字符消息。  
103.         //字符消息被寄送到調用線程的消息隊列里，當下一次線程調用函數GetMessage或PeekMessage時被讀出  
104.         DispatchMessage(&msg);//該函數調度一個消息給窗口程序。  
105.         //通常調度從GetMessage取得的消息。消息被調度到的窗口程序即是MainProc()函數  
106.     }  
107.     return msg.wParam;  
108. }  
109.   
110. LRESULT CALLBACK MainWndProc( HWND hMain, UINT msg, WPARAM wParam, LPARAM lParam )  
111. {  
112.     HDC hdc = GetDC(hMain);  
113.     RECT rc;   // 客戶區  
114.     POINT pt;  // 鼠標位置  
115.     HFONT hFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);  
116.     switch(msg)  
117.     {  
118.     case WM_LBUTTONDBLCLK:  
119.         SetFocus(hMain);  
120.         break;  
121.     case WM_RBUTTONDOWN:  
122.         GetClientRect(hMain, (LPRECT)&rc);  
123.         pt.y = HIWORD(lParam);  
124.         pt.x = LOWORD(lParam);  
125.         if ( PtInRect(&rc, pt) )  
126.         {  
127.             HandlePopupMenu(hMain, pt);  
128.         }  
129.         break;  
130.     case WM_PAINT:  
131.         RECT helpRect, minRect, exitRect;  
132.         HRGN helpRgn, minRgn, exitRgn;  
133.         FrameRgn(hdc, hRoundRgn, CreateSolidBrush(RGB(0,0,0)), 2, 2);  
134.         BringWindowToTop(hwndSelCapDrvDlg);  
135.         return DefWindowProc(hMain, msg, wParam, lParam);  
136.     case WM_CREATE:  
137.         // 注冊錯誤提示回調函數  
138.         capSetCallbackOnError(hwndVideo, (FARPROC)ErrorCallbackProc);  
139.         // 主窗口主要圓角矩形區域  
140.         hRoundRgn = CreateRoundRectRgn(100, 70, 500, 460, 20, 20);  
141.         // 捕捉視頻區域s  
142.         hwndVideo = capCreateCaptureWindow((LPSTR)"My Capture Window",  
143.             WS_CHILD|WS_VISIBLE,  
144.             140, 100, 320, 280,  
145.             (HWND)hMain,  
146.             (int)1);  
147.         hwndExit = CreateWindow("button",    // 建立一個按鈕,更多如BUTTON,COMBOBOX,LISTBOX  
148.             "x",    // button text  
149.             WS_VISIBLE|WS_CHILD|BS_PUSHBUTTON|BS_CENTER|BS_VCENTER,  
150.             470, 75, BUTTONSIZE, BUTTONSIZE,  
151.             hMain,  
152.             (HMENU)EXIT,  
153.             (HINSTANCE)ghInstance,  
154.             (LPVOID)NULL );  
155.         hwndMin = CreateWindow("button",    // 建立一個按鈕,更多如BUTTON,COMBOBOX,LISTBOX  
156.             "-",    // button text  
157.             WS_VISIBLE|WS_CHILD|BS_PUSHBUTTON|BS_CENTER|BS_VCENTER,  
158.             450, 75, BUTTONSIZE, BUTTONSIZE,  
159.             hMain,  
160.             (HMENU)MINIMIZE,  
161.             (HINSTANCE)ghInstance,  
162.             (LPVOID)NULL );  
163.         hwndHelp = CreateWindow("button",    // 建立一個按鈕,更多如BUTTON,COMBOBOX,LISTBOX  
164.             "?",    // button text  
165.             WS_VISIBLE|WS_CHILD|BS_PUSHBUTTON/*|BS_CENTER|BS_VCENTER*/,  
166.             430, 75, BUTTONSIZE, BUTTONSIZE,  
167.             hMain,  
168.             (HMENU)HELP,  
169.             (HINSTANCE)ghInstance,  
170.             (LPVOID)NULL );  
171.         hwndPhoto = CreateWindow("button",  
172.             "照 相",  
173.             WS_CHILD|WS_VISIBLE|BS_PUSHBUTTON,  
174.             150, 410, 50, 20,  
175.             hMain,  
176.             (HMENU)PHOTO,  
177.             (HINSTANCE)ghInstance,  
178.             (LPVOID)NULL );  
179.         SendMessage(hwndPhoto, WM_SETFONT, (WPARAM)hFont, 1);  // 設置按鈕字體為系統默認字體  
180.         hwndRecord = CreateWindow("button",  
181.             "錄 像",  
182.             WS_CHILD|WS_VISIBLE|BS_PUSHBUTTON|BS_VCENTER|BS_CENTER,  
183.             220, 410, 50, 20,  
184.             hMain,  
185.             (HMENU)RECORDVIDEO,  
186.             (HINSTANCE)ghInstance,  
187.             (LPVOID)NULL );  
188.         SendMessage(hwndRecord, WM_SETFONT, (WPARAM)hFont, 1);// 設置按鈕字體為系統默認字體  
189.         hwndBtnExit = CreateWindow("button",   // 退出按鈕  
190.             "退 出",  
191.             WS_CHILD|WS_VISIBLE|BS_PUSHBUTTON|BS_VCENTER|BS_CENTER,  
192.             400, 410, 50, 20,  
193.             hMain,  
194.             (HMENU)EXIT,  
195.             (HINSTANCE)ghInstance,  
196.             (LPVOID)NULL );  
197.         SendMessage(hwndBtnExit, WM_SETFONT, (WPARAM)hFont, 1);  
198.         // 設置按鈕區域  
199.         GetClientRect(hwndHelp, &helpRect);  
200.         GetClientRect(hwndMin, &minRect);  
201.         GetClientRect(hwndExit, &exitRect);  
202.           
203.         helpRgn = CreateEllipticRgnIndirect(&helpRect);  
204.         minRgn = CreateEllipticRgnIndirect(&minRect);  
205.         exitRgn = CreateEllipticRgnIndirect(&exitRect);  
206.           
207.         SetWindowRgn(hwndExit,exitRgn,1);  
208.         SetWindowRgn(hwndMin,minRgn,1);                               
209.         SetWindowRgn(hwndHelp,helpRgn,1);  
210.   
211.         // 創建選擇驅動對話框  
212.         hwndSelCapDrvDlg = CreateDialog((HINSTANCE)ghInstance,  
213.             MAKEINTRESOURCE(DLG_SELCAPDRIVER),  
214.             0, (DLGPROC)SelCapDrcProc);  
215.         hwndSelCapDrvLBox = GetDlgItem(hwndSelCapDrvDlg, LISTBOX_SELCAPDRIVER);  
216.           
217.         EnumCapDrv();  
218.         break;  
219.     case WM_COMMAND:  
220.         CAPSTATUS capStatus;  
221.         switch(wParam)  
222.         {  
223.         case EXIT:  // 退出系統  
224.             SendMessage(hMain, WM_SYSCOMMAND, SC_CLOSE, 0);  
225.             break;  
226.         case MINIMIZE: // 最小化  
227.             SendMessage(hMain, WM_SYSCOMMAND, SC_MINIMIZE, 0);  
228.             break;  
229.         case HELP:  // 幫助按鈕  
230.             SendMessage(hMain, WM_SYSCOMMAND, SC_CONTEXTHELP, 0);  
231.             break;  
232.         case RESOURCE: // 視頻源選項  
233.             if (capDrvCaps.fHasDlgVideoSource)  
234.             {  
235.                 capDlgVideoSource(hwndVideo);  
236.             }  
237.             break;  
238.         case FORMAT:  // 視頻格式選項  
239.             if (capDrvCaps.fHasDlgVideoFormat)  
240.             {  
241.                 capDlgVideoFormat(hwndVideo);  
242.             }  
243.             break;  
244.         case CONNECT:  
245.             break;  
246.         case DISPLAY: // 視頻顯示選項  
247.             if (capDrvCaps.fHasDlgVideoDisplay)  
248.             {  
249.                 capDlgVideoDisplay(hMain);  
250.                 capGetStatus(hwndVideo, &capStatus, sizeof(CAPSTATUS));// 得到當前捕獲窗口的狀態  
251.                 SetWindowPos(hwndVideo, NULL, 0, 0, capStatus.uiImageWidth, capStatus.uiImageHeight, SWP_NOZORDER|SWP_NOMOVE);  
252.             }  
253.             break;  
254.         case PHOTO:  // 抓取圖片  
255.             if ( capFileSaveDIB(hwndVideo, "test.bmp") ){  
256.                 MessageBox(hMain, "Save Bmp File Succeeded!", "photo save", MB_OK|MB_ICONINFORMATION);  
257.             }  
258.             else break;  
259.             if (!bPhotoFileOpen)  
260.             {  
261.                 OPENFILENAME ofnp;  // open file name structure  
262.                 ZeroMemory(&ofnp, sizeof(OPENFILENAME));  
263.                 ofnp.lStructSize = sizeof(OPENFILENAME);  
264.                 ofnp.hwndOwner = hMain;  
265.                 ofnp.lpstrFile = photoFile;  
266.                 ofnp.lpstrFilter = "*.bmp";  
267.                 ofnp.nMaxFile = sizeof(photoFile);  
268.                 ofnp.nFilterIndex = 1;  
269.                 ofnp.nMaxFileTitle = 0;  
270.                 ofnp.lpstrInitialDir = NULL;  
271.                 ofnp.Flags = OFN_PATHMUSTEXIST|OFN_FILEMUSTEXIST;  
272.                 // 顯示保存文件對話框  
273.                 if (GetSaveFileName(&ofnp) == TRUE)  
274.                 {  
275.                     bPhotoFileOpen = TRUE;  
276.                     strcpy(photoFile, ofnp.lpstrFile);  
277.                     strcat(photoFile, ".bmp");  
278.                     capDriverConnect(hwndPhoto, 0);  // 與驅動連接  
279.                     capOverlay(hwndPhoto, TRUE); // //使用 hardware overlay   
280.                     //使 video input directlyinto framebuffer，使不用 CPU  
281.                     capPreview(hwndVideo, TRUE);  // 抓取圖像顯示在視窗  
282.                     capPreviewScale(hwndVideo, TRUE); // 使圖像延伸到所設定的視窗大小  
283.                     capPreviewRate(hwndVideo, 1000/30); // 每秒圖像變化張數  
284.                     capPreview(hwndVideo, TRUE); // 預覽圖像顯示  
285.                     capGrabFrameNoStop(hwndVideo);  
286.                     capEditCopy(hwndVideo);  
287.                     if (capFileSaveDIB(hwndVideo, photoFile)){  
288.                         MessageBox(hMain, "Save Bmp File Succeeded!", "photo save", MB_OK|MB_ICONINFORMATION);  
289.                     }  
290.                     break;  
291.                 }  
292.             }  
293.             break;  
294.         case RECORDVIDEO:  // 錄制視頻  
295.             if (HIWORD(wParam) == BN_CLICKED && (HWND)lParam == hwndRecord)  
296.             {  
297.                 OPENFILENAME ofnp;  
298.                 if (!bRecordFileOpen)  
299.                 {  
300.                     ZeroMemory(&ofnp, sizeof(OPENFILENAME));  
301.                     ofnp.lStructSize = sizeof(OPENFILENAME);  
302.                     ofnp.nMaxFile = sizeof(recordFile);  
303.                     ofnp.hwndOwner = hMain;  
304.                     ofnp.lpstrFile = recordFile;  
305.                     ofnp.lpstrFilter = "*.avi";  
306.                     ofnp.lpstrInitialDir = NULL;  
307.                     ofnp.nFilterIndex = 1;  
308.                     ofnp.lpstrFileTitle = NULL;  
309.                     ofnp.nMaxFileTitle = 0;  
310.                     ofnp.Flags = OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST;  
311.                     // 顯示保存文件對話框  
312.                     if (GetSaveFileName(&ofnp) == TRUE)  
313.                     {  
314.                         strcpy(recordFile, ofnp.lpstrFile);  
315.                         strcat(recordFile, ".avi");  
316.                         bRecordFileOpen = TRUE;  
317.                         // 創建視頻采集線程  
318.                         DWORD id;  
319.                         SECURITY_ATTRIBUTES sa;  
320.                         sa.nLength = sizeof(SECURITY_ATTRIBUTES);  
321.                         sa.lpSecurityDescriptor = NULL;  
322.                         sa.bInheritHandle = TRUE;  
323.                         hVideoTread = CreateThread(&sa,  
324.                             (ULONG)0,  
325.                             (LPTHREAD_START_ROUTINE)VideoThreadProc,  
326.                             (LPVOID)(ULONG)0,  
327.                             0,  
328.                             &id);  
329.                         // 如果創建線程失敗，彈出提示對話框  
330.                         if (hVideoTread == NULL)  
331.                         {  
332.                             MessageBox(NULL, "Video Thread Create Failure!", "Thread", MB_OK|MB_ICONINFORMATION);     
333.                         }  
334.                     }  
335.                     break;  
336.                 }  
337.                 if (bRecordFileOpen)  // 已經打開一個選擇對話框  
338.                 {  
339.                     if (bRecording)  // 已經在錄制視頻中  
340.                     {  
341.                         bThreadEnd = true;  
342.                         // 結束錄制，并保存  
343.                         if ( capFileSaveAs(hwndVideo, recordFile) ){  
344.                             MessageBox(NULL, "Save Avi File Succeeded!", "RecordVideo", MB_OK|MB_ICONINFORMATION);  
345.                         }  
346.                         SetWindowText(hwndRecord, "錄 像");  
347.                         bRecording = false;  
348.                         break;  
349.                     }  
350.                     else  // 沒有錄像但是選擇了一個文件  
351.                     {  
352.                         int rt = 0;  
353.                         rt = MessageBox(hMain, "Do you want write over that file?", "系統提示", MB_YESNO|MB_ICONINFORMATION);  
354.                         if (rt == IDYES)  // 繼續錄制，覆蓋當前文件  
355.                         {     
356.                             if (capCaptureSequence(hwndRecord))  
357.                             {  
358.                                 bRecording = true;  
359.                                 SetWindowText(hwndRecord, "停 止");  
360.                             }     
361.                         }  
362.                         else  
363.                         {  
364.                             bRecordFileOpen = false;  
365.                             SendMessage(hMain, WM_COMMAND, MAKEWPARAM(RECORDVIDEO, BN_CLICKED), (LPARAM)hwndRecord);  
366.                         }  
367.                         break;  
368.                     }  
369.                     break;  
370.                 }     
371.             }  
372.         }  
373.         break;  
374.     case WM_DESTROY:  
375.         capSetCallbackOnError(hwndVideo, NULL);  
376.         capPreview(hwndVideo, FALSE); // 停止預覽  
377.         capCaptureAbort(hwndVideo);  // 停止捕獲  
378.         capDriverDisconnect(hwndVideo); // 斷開驅動連接  
379.         PostQuitMessage(0);  
380.         break;  
381.     default:  
382.         return DefWindowProc(hMain, msg, wParam, lParam);  
383.     }  
384.     return 0;  
385. }  
386.   
387. LRESULT WINAPI SelCapDrcProc( HWND hMian, UINT msg, WPARAM wParam, LPARAM lParam )  
388. {  
389. //  ShowWindow(hwndSelCapDrvDlg, SW_SHOW);  
390.     switch(msg)  
391.     {  
392.     case WM_INITDIALOG:  
393.         return TRUE;  
394.     case WM_COMMAND:  
395.         switch(wParam)  
396.         {  
397.         case BTN_SEL:  
398.             int sel = 0;  
399.             SendMessage(hwndSelCapDrvLBox, LB_GETSELITEMS, 1, sel );  // 獲取選擇的驅動  
400.             SendMessage(hwndVideo, WM_CAP_DRIVER_CONNECT, sel, 0L);   // 連接驅動  
401.             SendMessage(hwndSelCapDrvDlg, WM_CLOSE, 0, 0);   // 關閉對話框  
402.             SendMessage(hwndVideo, WM_CAP_DRIVER_GET_CAPS, sizeof(CAPDRIVERCAPS), (long)(LPVOID)&capDrvCaps); // 更新驅動的能力  
403.             if (capDrvCaps.fHasOverlay)  
404.             {  
405.                 capOverlay(hwndVideo, TRUE);  
406.             }  
407.             capPreviewRate(hwndVideo, 66);   //設置視頻捕獲速率提高到66 miliseconds  
408.             if ( !capPreview(hwndVideo, TRUE))   //用CapPreview啟動預覽功能  
409.             {  
410.                 MessageBox(NULL, "預覽啟動失敗", "提示", MB_OK|MB_ICONINFORMATION);  
411.                 SendMessage(hMian, WM_COMMAND, EXIT, 0);  
412.                 return FALSE;  
413.   
414.             }  
415.         }  
416.         return TRUE;  
417.     case WM_CLOSE:  
418.         DestroyWindow(hwndSelCapDrvDlg);  
419.         return TRUE;  
420.     }  
421.     return (0L);  
422. }  
423.   
424. int EnumCapDrv()  
425. {  
426.     char drvName[100];  
427.     char drvVesion[100];  
428.     char drvStr[200];  
429.     for (int i = 0; i < 5; i++)  // 掃面獲取驅動信息  
430.     {  
431.         if ( capGetDriverDescription(i, drvName, sizeof(drvName), drvVesion, sizeof(drvVesion)) )  
432.         {  
433.             strcpy(drvStr, drvName);  
434.             strcat(drvStr, "  ");  
435.             strcat(drvStr, drvVesion);  
436.             SendMessage(hwndSelCapDrvLBox, LB_ADDSTRING, 0, (LPARAM)drvStr); // 向列表框增加字符串  
437.             SendMessage(hwndSelCapDrvLBox, LB_SETITEMDATA, i, (LPARAM)i);  
438.         }  
439.     }  
440.     return 0;  
441. }  
442.   
443. VOID APIENTRY HandlePopupMenu( HWND hwnd, POINT pt )  
444. {  
445.     HMENU hmenu;  
446.     HMENU hPopupMenu;  
447.     hmenu = LoadMenu((HINSTANCE)ghInstance, MAKEINTRESOURCE(IDR_POPUPMENU));  
448.     if(hmenu == NULL) return;  
449.     // 獲取子菜單  
450.     hPopupMenu = GetSubMenu(hmenu, 0);  
451.     // 彈出菜單使用屏幕坐標，所以轉換鼠標點擊坐標到屏幕坐標  
452.     ClientToScreen(hwnd, &pt);  
453.     TrackPopupMenu(hPopupMenu, TPM_LEFTALIGN|TPM_LEFTBUTTON, pt.x, pt.y, 0, hwnd, NULL);  
454.     DestroyMenu(hmenu); // 銷毀指定菜單，并釋放此菜單占用的內存  
455. }  
456.   
457. WORD WINAPI VideoThreadProc( LPVOID lParam )  
458. {  
459.     // 捕獲視頻  
460.     if( capCaptureSequence(hwndVideo) ) //該函數調控啟動流視頻和音頻捕獲到一個文件,你能使用這個功能發送消息  
461.     {  
462.         SetWindowText(hwndRecord, "停 止");  
463.         MessageBox(NULL, "Start to capture video.", "提示", MB_OK|MB_ICONINFORMATION);  
464.         bRecording = true;  
465.     }  
466.     while(!bThreadEnd);  
467.     MessageBox(NULL, "Leaving Record Thread", "Thread",NULL);  
468.     return 0;  
469. }  

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