combodlg.cpp

MFC程序开发参考大全 【明日科技】宋坤 刘锐宁 李伟明 【丛 书 名】 软件工程师典藏 【出 版 社】 人民邮电出版社 本书详细介绍了MFC框架中所有常用类及控件的应用

// ComboDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Combo.h"
#include "ComboDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CComboDlg dialog

CComboDlg::CComboDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CComboDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CComboDlg)
		// 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 CComboDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CComboDlg)
	DDX_Control(pDX, IDC_BUTTON3, m_Button);
	DDX_Control(pDX, IDC_COMBO4, m_Combo4);
	DDX_Control(pDX, IDC_COMBO3, m_Combo3);
	DDX_Control(pDX, IDC_COMBO2, m_Combo2);
	DDX_Control(pDX, IDC_COMBO1, m_Combo1);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CComboDlg, CDialog)
	//{{AFX_MSG_MAP(CComboDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CComboDlg message handlers

BOOL CComboDlg::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
	m_Combo2.AddString("清明时节雨纷纷");
	m_Combo2.AddString("路上行人欲断魂");
	m_Combo2.AddString("借问酒家何处有");
	m_Combo2.AddString("牧童遥指杏花村");
	m_Combo3.InsertString(0,"清明时节雨");
	m_Combo3.InsertString(1,"纷纷路上行人");
	m_Combo3.InsertString(2,"欲断魂");
	m_Combo3.InsertString(3,"借问酒家何处");
	m_Combo3.InsertString(4,"有牧童");
	m_Combo3.InsertString(5,"遥指杏花村");
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CComboDlg::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 CComboDlg::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 CComboDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CComboDlg::OnButton1() 
{
	m_Combo1.AddString("李仙"); //添加数据
	m_Combo1.AddString("杜圣");
	m_Combo1.InsertString(2,"白魔"); //向指定位置插入数据
	m_Combo1.InsertString(3,"李鬼");
}

void CComboDlg::OnButton2() 
{
	m_Combo2.ResetContent(); //删除数据
}

void CComboDlg::OnButton3() 
{
	CString str;
	m_Combo3.GetWindowText(str); //获得组合框控件当前显示数据
	m_Button.SetWindowText(str);
}

void CComboDlg::OnButton4() 
{
	m_Combo4.Dir(DDL_DRIVES|DDL_EXCLUSIVE,""); //列举磁盘目录
}