??1? //?MainFrm.h
??2?
??3? //對話框（用來顯示進度條）
??4?
??5? #include?"ProgressDlg.h"
??6?
??7? #define?WM_WORKPROGRESS?WM_USER+100
??8? #define?CN_PROGRESS?1
??9? #define?CN_DONE?3
?10?
?11?
?12? struct?ThreadParam{
?13? ?HWND?m_NotifyWnd;
?14? };
?15?
?16? class?CMainFrame?:?public?CFrameWnd
?17? {
?18?
?19?  ..
?20?
?21? protected:??
?22?
?23? ???CProgressDlg?m_ProgressDlg;
?24?
?25? public:
?26? ?//?處理線程消息
?27? ?LRESULT?OnThreadProgress(WPARAM?wParam,?LPARAM?lParam);
?28?
?29? ?CWinThread*?m_pAssistantThread?;
?30? ?ThreadParam?gThreadParam;
?31?
?32?
?33? }
?34?
?35?
?36? //?MainFrm.cpp
?37?
?38? BEGIN_MESSAGE_MAP(CMainFrame,?CFrameWnd)
?39?
?40? ?.
?41? ?ON_MESSAGE(WM_WORKPROGRESS,?OnThreadProgress)
?42? END_MESSAGE_MAP()
?43?
?44? CMainFrame::CMainFrame()
?45? {
?46? ?//?TODO:?在此添加成員初始化代碼
?47? ?m_pAssistantThread?=?NULL;
?48? }
?49?
?50? CMainFrame::~CMainFrame()
?51? {
?52? ?if(?m_pAssistantThread!=NULL?)
?53? ??delete?m_pAssistantThread;?m_pAssistantThread?=?NULL;
?54? }
?55?
?56?
?57? int?CMainFrame::OnCreate(LPCREATESTRUCT?lpCreateStruct)
?58?
?59? {
?60?
?61? ???.
?62?
?63? ???m_ProgressDlg.Create(CProgressDlg::IDD,?this);
?64?
?65? ???return?0;
?66?
?67? }
?68?
?69? //輔助線程
?70? static?UINT?ThreadFunc(LPVOID?pParam)
?71? {
?72? ?ThreadParam?*ptParam?=?(ThreadParam*)pParam;
?73? ?HWND?hNotifyWnd?=?ptParam->m_NotifyWnd;
?74? ?int?nSum?=?1000;
?75? ?for(int?i=0;i<nSum;i++)
?76? ?{
?77? ??if(::IsWindow(hNotifyWnd))
?78? ??{
?79? ???::PostMessage(?hNotifyWnd,WM_WORKPROGRESS,MAKEWPARAM(CN_PROGRESS,0),(LPARAM)i?);
?80? ??}
?81? ??Sleep(1);
?82? ?}
?83? ?
?84? ?if(::IsWindow(hNotifyWnd))
?85? ?{
?86? ??::PostMessage(hNotifyWnd,WM_WORKPROGRESS,MAKEWPARAM(CN_DONE,0),(LPARAM)nSum?);
?87? ?}
?88? ?return?0;
?89? }
?90?
?91? void?CMainFrame::OnTestthreadShowprogressdlg()
?92? {
?93? ?//m_ProgressDlg.ShowWindow(SW_SHOW);
?94? ?if(m_pAssistantThread?!=?NULL?)
?95? ?{
?96? ??DWORD?dwExitCode?=?-1;
?97? ??VERIFY(GetExitCodeThread(*m_pAssistantThread,&dwExitCode));
?98? ??if(dwExitCode?==?STILL_ACTIVE)
?99? ??{
100? ???return?;
101? ??}
102? ??delete?m_pAssistantThread;?m_pAssistantThread?=?NULL;
103? ?}
104?
105? ?
106? ?m_ProgressDlg.m_ProgressCtrl.SetRange(0,1000);
107? ?gThreadParam.m_NotifyWnd?=?(AfxGetApp()->m_pMainWnd)->m_hWnd;
108? ?m_pAssistantThread?=?AfxBeginThread(?ThreadFunc,
109? ??&gThreadParam,
110? ??THREAD_PRIORITY_NORMAL,
111? ??0,
112? ??CREATE_SUSPENDED,
113? ??NULL);
114? ?ASSERT(?m_pAssistantThread?);
115? ?m_pAssistantThread->m_bAutoDelete?=?FALSE;
116? ?m_pAssistantThread->ResumeThread();
117? }
118?
119? //?處理線程消息
120? LRESULT?CMainFrame::OnThreadProgress(WPARAM?wParam,?LPARAM?lParam)
121? {
122? ?UINT?nID?=?LOWORD(wParam);
123? ?if(nID?==?CN_PROGRESS)
124? ?{
125? ??int?nProgress?=?(int)lParam;
126? ??m_ProgressDlg.ShowWindow(SW_SHOW);
127? ??m_ProgressDlg.m_ProgressCtrl.SetPos(nProgress);
128? ?}
129? ?else?if(nID?==?CN_DONE)
130? ?{
131? ??int?nSum?=?(int)lParam;
132? ??m_ProgressDlg.ShowWindow(SW_HIDE);
133? ?}
134? ?return?0;
135? }
136?
137?
|