1 // MainFrm.h
2
3 //对话框（用来显示进度条）
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 // 处理线程消息
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: 在此添加成员初始化代码
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 //辅助线程
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 // 处理线程消息
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
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