通过线程传递消息
2021-01-02 22:28
标签：bsp debug dom 线程 call 创建 rate not oid 今天讲一下线程如何向对话框传递消息，步骤如下： 谢谢！ End. 通过线程传递消息 标签：bsp debug dom 线程 call 创建 rate not oid 原文地址：https://www.cnblogs.com/lumao1122-Milolu/p/12993686.html
LRESULT CMFCApplicationThresdDlg::winMessageFun(WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(wParam);
UNREFERENCED_PARAMETER(lParam);
WORD value = lParam;
CString str;
str.Format(_T("%d\r\n"), value);
m_edit1 += str;
UpdateData(FALSE);
return 0;
}
1 struct ThreadParam
2 {
3 HWND ThreadID;
4 WORD ThreadVal;
5 };
1 void CMFCApplicationThresdDlg::Btn_Clicked_Start()
2 {
3 // TODO: Add your control notification handler code here
4 ThreadParam *pRecvParam = new ThreadParam;
5 pRecvParam->ThreadVal = 0;
6 pRecvParam->ThreadID = m_hWnd;
7 //create thread
8 HANDLE hThread = CreateThread(NULL, 0, ThreadProc, (LPVOID)pRecvParam, 0, NULL);
9 }
1 private:
2 static DWORD WINAPI ThreadProc(LPVOID lpParameter);
1 DWORD CMFCApplicationThresdDlg::ThreadProc(LPVOID lpParameter)
2 {
3 WORD value = ((ThreadParam*)lpParameter)->ThreadVal;
4 HWND hwnd = ((ThreadParam*)lpParameter)->ThreadID;
5 while (1)
6 {
7 value++;
8 ::PostMessage(hwnd, WM_RESPONSE, 0, (LPARAM)value);
9 Sleep(1000);
10 }
11 return 0;
12 }
1 // MFCApplicationThresdDlg.cpp : implementation file
2 //
3
4 #include "stdafx.h"
5 #include "MFCApplicationThresd.h"
6 #include "MFCApplicationThresdDlg.h"
7 #include "afxdialogex.h"
8
9 #ifdef _DEBUG
10 #define new DEBUG_NEW
11 #endif
12
13
14 // CAboutDlg dialog used for App About
15
16 class CAboutDlg : public CDialogEx
17 {
18 public:
19 CAboutDlg();
20
21 // Dialog Data
22 enum { IDD = IDD_ABOUTBOX };
23
24 protected:
25 virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
26
27 // Implementation
28 protected:
29 DECLARE_MESSAGE_MAP()
30 };
31
32 CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD)
33 {
34 }
35
36 void CAboutDlg::DoDataExchange(CDataExchange* pDX)
37 {
38 CDialogEx::DoDataExchange(pDX);
39 }
40
41 BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
42 END_MESSAGE_MAP()
43
44
45 // CMFCApplicationThresdDlg dialog
46
47
48
49 CMFCApplicationThresdDlg::CMFCApplicationThresdDlg(CWnd* pParent /*=NULL*/)
50 : CDialogEx(CMFCApplicationThresdDlg::IDD, pParent)
51 , m_edit1(_T(""))
52 {
53 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
54 }
55
56 void CMFCApplicationThresdDlg::DoDataExchange(CDataExchange* pDX)
57 {
58 CDialogEx::DoDataExchange(pDX);
59 DDX_Text(pDX, IDC_EDIT1, m_edit1);
60 }
61
62 BEGIN_MESSAGE_MAP(CMFCApplicationThresdDlg, CDialogEx)
63 ON_WM_SYSCOMMAND()
64 ON_WM_PAINT()
65 ON_WM_QUERYDRAGICON()
66 ON_BN_CLICKED(IDC_BUTTON1, &CMFCApplicationThresdDlg::Btn_Clicked_Start)
67 ON_MESSAGE(WM_RESPONSE,winMessageFun)
68 END_MESSAGE_MAP()
69
70
71 // CMFCApplicationThresdDlg message handlers
72
73 BOOL CMFCApplicationThresdDlg::OnInitDialog()
74 {
75 CDialogEx::OnInitDialog();
76
77 // Add "About..." menu item to system menu.
78
79 // IDM_ABOUTBOX must be in the system command range.
80 ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
81 ASSERT(IDM_ABOUTBOX 0xF000);
82
83 CMenu* pSysMenu = GetSystemMenu(FALSE);
84 if (pSysMenu != NULL)
85 {
86 BOOL bNameValid;
87 CString strAboutMenu;
88 bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
89 ASSERT(bNameValid);
90 if (!strAboutMenu.IsEmpty())
91 {
92 pSysMenu->AppendMenu(MF_SEPARATOR);
93 pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
94 }
95 }
96
97 // Set the icon for this dialog. The framework does this automatically
98 // when the application‘s main window is not a dialog
99 SetIcon(m_hIcon, TRUE); // Set big icon
100 SetIcon(m_hIcon, FALSE); // Set small icon
101
102 // TODO: Add extra initialization here
103
104 return TRUE; // return TRUE unless you set the focus to a control
105 }
106
107 void CMFCApplicationThresdDlg::OnSysCommand(UINT nID, LPARAM lParam)
108 {
109 if ((nID & 0xFFF0) == IDM_ABOUTBOX)
110 {
111 CAboutDlg dlgAbout;
112 dlgAbout.DoModal();
113 }
114 else
115 {
116 CDialogEx::OnSysCommand(nID, lParam);
117 }
118 }
119
120 // If you add a minimize button to your dialog, you will need the code below
121 // to draw the icon. For MFC applications using the document/view model,
122 // this is automatically done for you by the framework.
123
124 void CMFCApplicationThresdDlg::OnPaint()
125 {
126 if (IsIconic())
127 {
128 CPaintDC dc(this); // device context for painting
129
130 SendMessage(WM_ICONERASEBKGND, reinterpret_cast
1 // MFCApplicationThresdDlg.h : header file
2 //
3
4 #pragma once
5
6
7 // CMFCApplicationThresdDlg dialog
8 #define WM_RESPONSE WM_USER+1
9 struct ThreadParam
10 {
11 HWND ThreadID;
12 WORD ThreadVal;
13 };
14 class CMFCApplicationThresdDlg : public CDialogEx
15 {
16 // Construction
17 public:
18 CMFCApplicationThresdDlg(CWnd* pParent = NULL); // standard constructor
19
20 // Dialog Data
21 enum { IDD = IDD_MFCAPPLICATIONTHRESD_DIALOG };
22 private:
23 static DWORD WINAPI ThreadProc(LPVOID lpParameter);
24
25 protected:
26 virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
27
28
29 // Implementation
30 protected:
31 HICON m_hIcon;
32
33 // Generated message map functions
34 virtual BOOL OnInitDialog();
35 afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
36 afx_msg void OnPaint();
37 afx_msg HCURSOR OnQueryDragIcon();
38 afx_msg LRESULT winMessageFun(WPARAM wParam, LPARAM lParam);
39 DECLARE_MESSAGE_MAP()
40 public:
41 CString m_edit1;
42 afx_msg void Btn_Clicked_Start();
43 };
上一篇：python基础试题