VC对话框控件基本操作2

本文以一个简单的例子实现对话框控件的基本操作。

新建对话框应用程序，然后添加相关变量

首先我们来看看效果，然后再看看如何实现的

处理后

实现如上功能的源码

头文件

// SELECTBOXDlg.h : header file//#if !defined(AFX_SELECTBOXDLG_H__CE5E097E_272B_4033_8CF8_C3037607F43C__INCLUDED_)#define AFX_SELECTBOXDLG_H__CE5E097E_272B_4033_8CF8_C3037607F43C__INCLUDED_#if _MSC_VER > 1000#pragma once#endif // _MSC_VER > 1000/////////////////////////////////////////////////////////////////////////////// CSELECTBOXDlg dialogclass CSELECTBOXDlg : public CDialog{// Constructionpublic:CSELECTBOXDlg(CWnd* pParent = NULL);// standard constructor// Dialog Data//{{AFX_DATA(CSELECTBOXDlg)enum { IDD = IDD_SELECTBOX_DIALOG };CComboBoxm_Record;CEditm_ResultEdit;CButtonm_AgeRadio;CButtonm_SexRadio;CEditm_TimeEdit;CEditm_DateEdit;BOOLm_DateCheck;BOOLm_TimeCheck;intm_English;CStringm_ComboEdit;//}}AFX_DATA// ClassWizard generated virtual function overrides//{{AFX_VIRTUAL(CSELECTBOXDlg)protected:virtual void DoDataExchange(CDataExchange* pDX);// DDX/DDV support//}}AFX_VIRTUAL// Implementationprotected:HICON m_hIcon;// Generated message map functions//{{AFX_MSG(CSELECTBOXDlg)virtual BOOL OnInitDialog();afx_msg void OnSysCommand(UINT nID, LPARAM lParam);afx_msg void OnPaint();afx_msg HCURSOR OnQueryDragIcon();afx_msg void OnDateCheck();afx_msg void OnTimeCheck();afx_msg void OnEnableButton();afx_msg void OnDisbaleButton();afx_msg void OnShowButton();afx_msg void OnHideButton();afx_msg void OnShowSexAgeBUTTON();afx_msg void OnShowComboButton();afx_msg void OnButton();//}}AFX_MSGDECLARE_MESSAGE_MAP()};//{{AFX_INSERT_LOCATION}}// Microsoft Visual C++ will insert additional declarations immediately before the previous line.#endif // !defined(AFX_SELECTBOXDLG_H__CE5E097E_272B_4033_8CF8_C3037607F43C__INCLUDED_)

源文件

// SELECTBOXDlg.cpp : implementation file//#include "stdafx.h"#include "SELECTBOX.h"#include "SELECTBOXDlg.h"#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE[] = __FILE__;#endif/////////////////////////////////////////////////////////////////////////////// CAboutDlg dialog used for App Aboutclass 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// Implementationprotected://{{AFX_MSG(CAboutDlg)//}}AFX_MSGDECLARE_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_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// CSELECTBOXDlg dialogCSELECTBOXDlg::CSELECTBOXDlg(CWnd* pParent /*=NULL*/): CDialog(CSELECTBOXDlg::IDD, pParent){//{{AFX_DATA_INIT(CSELECTBOXDlg)m_DateCheck = FALSE;m_TimeCheck = FALSE;m_English = -1;m_ComboEdit = _T("");//}}AFX_DATA_INIT// Note that LoadIcon does not require a subsequent DestroyIcon in Win32m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);}void CSELECTBOXDlg::DoDataExchange(CDataExchange* pDX){CDialog::DoDataExchange(pDX);//{{AFX_DATA_MAP(CSELECTBOXDlg)DDX_Control(pDX, IDC_RECORD_COMBO, m_Record);DDX_Control(pDX, IDC_Result_EDIT, m_ResultEdit);DDX_Control(pDX, IDC_Age1_RADIO, m_AgeRadio);DDX_Control(pDX, IDC_Boy_RADIO, m_SexRadio);DDX_Control(pDX, IDC_TIME_EDIT, m_TimeEdit);DDX_Control(pDX, IDC_DATE_EDIT, m_DateEdit);DDX_Check(pDX, IDC_DATE_CHECK, m_DateCheck);DDX_Check(pDX, IDC_TIME_CHECK, m_TimeCheck);DDX_Radio(pDX, IDC_ENGLISH_RADIO, m_English);DDX_Text(pDX, IDC_SHOW_COMBO_EDIT, m_ComboEdit);//}}AFX_DATA_MAP}BEGIN_MESSAGE_MAP(CSELECTBOXDlg, CDialog)//{{AFX_MSG_MAP(CSELECTBOXDlg)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()ON_BN_CLICKED(IDC_DATE_CHECK, OnDateCheck)ON_BN_CLICKED(IDC_TIME_CHECK, OnTimeCheck)ON_BN_CLICKED(IDC_ENABLE_BUTTON, OnEnableButton)ON_BN_CLICKED(IDC_DISBALE_BUTTON, OnDisbaleButton)ON_BN_CLICKED(IDC_SHOW_BUTTON, OnShowButton)ON_BN_CLICKED(IDC_HIDE_BUTTON, OnHideButton)ON_BN_CLICKED(IDC_Show_Sex_Age_BUTTON, OnShowSexAgeBUTTON)ON_BN_CLICKED(IDC_SHOW_COMBO_BUTTON, OnShowComboButton)ON_BN_CLICKED(IDC_BUTTON, OnButton)//}}AFX_MSG_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// CSELECTBOXDlg message handlersBOOL CSELECTBOXDlg::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 dialogSetIcon(m_hIcon, TRUE);// Set big iconSetIcon(m_hIcon, FALSE);// Set small icon// TODO: Add extra initialization here//初始化---------------------------------添加部分-------------------------------------------------------CheckRadioButton(IDC_Boy_RADIO,IDC_Girl_RADIO,IDC_Boy_RADIO);CheckRadioButton(IDC_Age1_RADIO,IDC_Age3_RADIO,IDC_Age2_RADIO);UpdateData(TRUE);m_English = 0;m_Record.AddString("85");m_Record.AddString("90");m_Record.AddString("95");m_Record.SelectString(-1,"95");UpdateData(FALSE);//----------------------------------------添加部分-------------------------------------------------------return TRUE;  // return TRUE  unless you set the focus to a control}void CSELECTBOXDlg::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 CSELECTBOXDlg::OnPaint() {if (IsIconic()){CPaintDC dc(this); // device context for paintingSendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);// Center icon in client rectangleint 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 icondc.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 CSELECTBOXDlg::OnQueryDragIcon(){return (HCURSOR) m_hIcon;}//-----------------------------------------------------------------------------------------------------------------------------void CSELECTBOXDlg::OnDateCheck() //----------------日期----------------------{// TODO: Add your control notification handler code hereUpdateData(TRUE);if(m_DateCheck == TRUE){CTime tNow;tNow=CTime::GetCurrentTime();CString sNow=tNow.Format("%y.%m.%d");m_DateEdit.SetSel(0,-1);m_DateEdit.ReplaceSel(sNow);}else{m_DateEdit.SetSel(0,-1);m_DateEdit.ReplaceSel("");}UpdateData(FALSE);}void CSELECTBOXDlg::OnTimeCheck() //----------------时间------------------------{// TODO: Add your control notification handler code hereUpdateData(TRUE);if(m_TimeCheck == TRUE){CTime tNow;tNow=CTime::GetCurrentTime();CString sNow=tNow.Format("%I.%M.%S");m_TimeEdit.SetSel(0,-1);m_TimeEdit.ReplaceSel(sNow);}else{m_TimeEdit.SetSel(0,-1);m_TimeEdit.ReplaceSel("");}UpdateData(FALSE);}void CSELECTBOXDlg::OnEnableButton() //-------------复选框有效-------------------{// TODO: Add your control notification handler code hereGetDlgItem(IDC_DATE_CHECK)->EnableWindow(TRUE);GetDlgItem(IDC_TIME_CHECK)->EnableWindow(TRUE);m_DateEdit.EnableWindow(TRUE);m_TimeEdit.EnableWindow(TRUE);}void CSELECTBOXDlg::OnDisbaleButton() //-------------复选框无效-------------------{// TODO: Add your control notification handler code hereGetDlgItem(IDC_DATE_CHECK)->EnableWindow(FALSE);GetDlgItem(IDC_TIME_CHECK)->EnableWindow(FALSE);m_DateEdit.EnableWindow(FALSE);m_TimeEdit.EnableWindow(FALSE);}void CSELECTBOXDlg::OnShowButton() //--------------重新显示被隐藏的复选框和编辑框------------------------{// TODO: Add your control notification handler code hereGetDlgItem(IDC_DATE_CHECK)->EnableWindow(SW_SHOW);GetDlgItem(IDC_TIME_CHECK)->EnableWindow(SW_SHOW);GetDlgItem(IDC_DATE_EDIT)->EnableWindow(SW_SHOW);m_DateEdit.ShowWindow(SW_SHOW);GetDlgItem(IDC_TIME_EDIT)->EnableWindow(SW_SHOW);m_TimeEdit.ShowWindow(SW_SHOW);}void CSELECTBOXDlg::OnHideButton() //--------------隐藏的复选框和编辑框使不可见------------------------{// TODO: Add your control notification handler code hereGetDlgItem(IDC_DATE_CHECK)->EnableWindow(SW_HIDE);GetDlgItem(IDC_TIME_CHECK)->EnableWindow(SW_HIDE);m_DateEdit.ShowWindow(SW_HIDE);m_TimeEdit.ShowWindow(SW_HIDE);}void CSELECTBOXDlg::OnShowSexAgeBUTTON() //-------------显示性别和年龄-----------------------{// TODO: Add your control notification handler code herechar sEdit[50];int iSexRADIO;int iAgeRADIO;iSexRADIO = GetCheckedRadioButton(IDC_Boy_RADIO, IDC_Girl_RADIO);if(iSexRADIO == IDC_Boy_RADIO)strcpy(sEdit,"The boy's age is");if(iSexRADIO == IDC_Girl_RADIO)strcpy(sEdit,"The girl's age is");iAgeRADIO = GetCheckedRadioButton(IDC_Age1_RADIO, IDC_Age3_RADIO);if(iAgeRADIO == IDC_Age1_RADIO)strcat(sEdit," great than 20");if(iAgeRADIO == IDC_Age2_RADIO)strcat(sEdit," between 15 and 20");if(iAgeRADIO == IDC_Age3_RADIO)strcat(sEdit," less than 15");m_ResultEdit.SetSel(0,-1);m_ResultEdit.ReplaceSel(sEdit);}void CSELECTBOXDlg::OnShowComboButton() //---------------------报告状态----------------------{// TODO: Add your control notification handler code hereUpdateData(TRUE);char sCourseEdit[30];char sRecordEdit[15];int iCourseRadio;iCourseRadio = GetCheckedRadioButton(IDC_ENGLISH_RADIO, IDC_NATURE_RADIO);if(iCourseRadio == IDC_ENGLISH_RADIO)strcpy(sCourseEdit,"English record is ");if(iCourseRadio == IDC_COMPUTER_RADIO)strcpy(sCourseEdit,"Computer record is ");if(iCourseRadio == IDC_NATURE_RADIO)strcpy(sCourseEdit,"Nature record is ");m_Record.GetWindowText(sRecordEdit,15);strcat(sCourseEdit,"");strcat(sCourseEdit,sRecordEdit);m_ComboEdit = _T(sCourseEdit);UpdateData(FALSE);}void CSELECTBOXDlg::OnButton() //---------------------退出--------------------------{// TODO: Add your control notification handler code hereOnOK();}

源码下载