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資源簡介

1. 創建一個基于對話框的應用程序。并增加如圖所示控件;分別為3個進度條控件關聯三個進度條類型的變量;并在對話框的初始化函數中,設定進度條的范圍;為編輯框關聯一個整型的變量;為12個按鈕添加消息處理函數; 2. 定義結構體:用做線程函數的參數傳遞 typedef struct Threadinfo{ CProgressCtrl *progress;//進度條對象 int speed; //進度條速度 int pos; //進度條位置 } thread,*lpthread; 3. 為對話框增加三個句柄,用于標識各個線程; HANDLE hThread1; //線程1線程句柄 HANDLE hThread2; //線程2線程句柄 HANDLE hThread3; //線程3線程句柄 在增加三個結構體類型的變量,用做線程函數的參數傳遞; HANDLE hThread1; //線程1線程句柄 HANDLE hThread2; //線程2線程句柄 HANDLE hThread3; //線程3線程句柄 4. 新增一個靜態的全局變量,用于記錄所有線程的狀態:static int GlobalVar=10000; 5. 聲明并編寫線程函數,注意只能有一個參數,且函數的返回值類型也是固定的;函數名可以自定義; DWORD WINAPI ThreadFun(LPVOID pthread);//線程入口函數 6. 在啟動按鈕的消息處理函數中編寫如下代碼: thread1.progress=&m_progress1;//進度條對象 thread1.speed=100;//速度 thread1.pos=0;//初始位置 hThread1=CreateThread(NULL,0,ThreadFun,&thread1;,0,0);//創建并開始線程 if (!hThread1) { MessageBox("創建線程失敗"); } 7. 編寫線程函數(一般是一個死循環,或者需要花費時間很長的算法!否者就失去了多線程的意義) DWORD WINAPI ThreadFun(LPVOID pthread) //線程入口函數 { lpthread temp=(lpthread)pthread;//參數強制轉換為結構體類型 temp->progress->SetPos(temp->pos); //設置被傳遞過來的進度條的位置 while(temp->posspeed); /設置速度 temp->pos++; //增加進度 temp->progress->SetPos(temp->pos); //設置進度條的新位置 GlobalVar--; if(temp->pos==20) { temp->pos=0; //進度條滿則歸0 } } return true; } 8. 在掛起按鈕函數中,編寫如下代碼: if(SuspendThread(hThread1)==0xFFFFFFFF) { MessageBox("掛起失??!進程可能已經死亡或未創建!"); return; } 9. 在執行按鈕函數中,編寫如下代碼: if(ResumeThread(hThread1)==0xFFFFFFFF) { MessageBox("執行失??!進程可能已經死亡或未創建!"); return; } 10. 在停止按鈕函數中,編寫如下代碼: if(TerminateThread(hThread1,0))//前些終止線程 { CloseHandle(hThread1);//銷毀線程句柄 } else { MessageBox("終止進程失??!"); } 11. 為應用程序添加WM_TIMER消息,實時更新全局變量的值到編輯框;

資源截圖

代碼片段和文件信息

//?CreateThread.cpp?:?Defines?the?class?behaviors?for?the?application.
//

#include?“stdafx.h“
#include?“CreateThread.h“
#include?“CreateThreadDlg.h“

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

/////////////////////////////////////////////////////////////////////////////
//?CCreateThreadApp

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

/////////////////////////////////////////////////////////////////////////////
//?CCreateThreadApp?construction

CCreateThreadApp::CCreateThreadApp()
{
//?TODO:?add?construction?code?here
//?Place?all?significant?initialization?in?InitInstance
}

/////////////////////////////////////////////////////////////////////////////
//?The?one?and?only?CCreateThreadApp?object

CCreateThreadApp?theApp;

/////////////////////////////////////////////////////////////////////////////
//?CCreateThreadApp?initialization

BOOL?CCreateThreadApp::InitInstance()
{
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.

#ifdef?_AFXDLL
Enable3dControls(); //?Call?this?when?using?MFC?in?a?shared?DLL
#else
Enable3dControlsStatic(); //?Call?this?when?linking?to?MFC?statically
#endif

CCreateThreadDlg?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.
return?FALSE;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-03-21?14:32??CreateThread\
?????文件???????37052??2012-03-21?15:14??CreateThread\CreateThread.aps
?????文件????????1892??2012-03-21?16:25??CreateThread\CreateThread.clw
?????文件????????2147??2008-05-07?08:58??CreateThread\CreateThread.cpp
?????文件????????4267??2008-05-07?08:58??CreateThread\CreateThread.dsp
?????文件?????????547??2008-05-07?08:58??CreateThread\CreateThread.dsw
?????文件????????1390??2008-05-07?08:58??CreateThread\CreateThread.h
?????文件???????66560??2012-03-21?16:25??CreateThread\CreateThread.ncb
?????文件???????48640??2012-03-21?16:25??CreateThread\CreateThread.opt
?????文件?????????717??2012-03-21?16:16??CreateThread\CreateThread.plg
?????文件????????6390??2012-03-21?15:14??CreateThread\CreateThread.rc
?????文件????????9833??2012-03-21?16:17??CreateThread\CreateThreadDLG.cpp
?????文件????????2232??2012-03-21?15:41??CreateThread\CreateThreadDLG.h
?????文件????????3687??2008-05-07?08:58??CreateThread\ReadMe.txt
?????目錄???????????0??2012-03-21?14:32??CreateThread\res\
?????文件????????1380??2012-03-21?15:14??CreateThread\Resource.h
?????文件????????1078??2008-05-07?08:58??CreateThread\res\CreateThread.ico
?????文件?????????404??2008-05-07?08:58??CreateThread\res\CreateThread.rc2
?????文件?????????214??2008-05-07?08:58??CreateThread\StdAfx.cpp
?????文件????????1054??2008-05-07?08:58??CreateThread\StdAfx.h

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