对于一些异步执行方式， 为了上层操作简单，需要改称同步方式，今天写了个测试代码
#include <map>
#include <string>
#include <iterator>
/////////////////////////////////////////////////////////////////////////////
// CEventTestDlg dialog
#define MAP_EVENT std::map<std::string, HANDLE>
class CEventTestDlg : public CDialog
{
// Construction
public:
CEventTestDlg(CWnd* pParent = NULL); // standard constructor
// Dialog Data
//{{AFX_DATA(CEventTestDlg)
enum { IDD = IDD_EVENTTEST_DIALOG };
// NOTE: the ClassWizard will add data members here
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CEventTestDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
HICON m_hIcon;
// Generated message map functions
//{{AFX_MSG(CEventTestDlg)
virtual BOOL OnInitDialog();
afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
virtual void OnOK();
afx_msg void OnDownOver();
virtual void OnCancel();
afx_msg void OnButton2();
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
std::map<std::string, HANDLE> m_mapEvent;
std::string m_strEvent;
};
---------------------------------------------------------------------------------------------------------
#include "stdafx.h"
#include "EventTest.h"
#include "EventTestDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
unsigned long __stdcall DownThread(void* pHwnd) //下载线程
{
HWND hWnd = *(HWND*)pHwnd;
// 模拟操作
Sleep(1000*5);
SendNotifyMessage(hWnd, WM_USER+0x122, 0, 0);
Sleep(1000*5);
SendNotifyMessage(hWnd, WM_USER+0x123, 0, 0);
//PostMessage(hWnd, WM_USER+0x123, 0, 0);
return 0;
}
/////////////////////////////////////////////////////////////////////////////
// CEventTestDlg dialog
CEventTestDlg::CEventTestDlg(CWnd* pParent /*=NULL*/)
: CDialog(CEventTestDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CEventTestDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CEventTestDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CEventTestDlg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CEventTestDlg, CDialog)
//{{AFX_MSG_MAP(CEventTestDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_MESSAGE(WM_USER+0x122, OnButton2)
ON_MESSAGE(WM_USER+0x123, OnDownOver)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CEventTestDlg message handlers
BOOL CEventTestDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
}
void CEventTestDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CEventTestDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CEventTestDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CEventTestDlg::OnOK()
{
HANDLE hEvent = NULL;
m_strEvent = "file or folder guid";
hEvent = CreateEvent(NULL, FALSE, FALSE, m_strEvent.c_str());
m_mapEvent[m_strEvent] = hEvent;
unsigned long TID1;
CreateThread(NULL, 0, &DownThread, (void*)&m_hWnd, NULL, &TID1);
DWORD dwWaitResult;
while(TRUE)
{
dwWaitResult = WaitForSingleObject(hEvent, 50/*INFINITE*/);
if(WAIT_OBJECT_0 == dwWaitResult)
{
//事件完成处理
break;
}
MSG msg;
int nExitCode = 0;
while (::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
if (msg.message == WM_QUIT)
{
::PostQuitMessage(nExitCode);
break;
}
if (GetMessage(&msg,NULL, 0,0))
{
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
}
}
::MessageBox(NULL, "ok", "测试", MB_OK);
//
// CDialog::OnOK();
}
void CEventTestDlg::OnDownOver()
{
MAP_EVENT::iterator itHandle = m_mapEvent.find(m_strEvent);
if (itHandle != m_mapEvent.end())
{
if (itHandle->second)
{
SetEvent(itHandle->second);
}
}
}
void CEventTestDlg::OnCancel()
{
// TODO: Add extra cleanup here
CDialog::OnCancel();
}
void CEventTestDlg::OnButton2()
{
::MessageBox(NULL, "进度条改变", "", MB_OK);
}
