buttondemodlg.cpp

VC++6开发指南的源代码第7章-第11章

// ButtonDemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ButtonDemo.h"
#include "ButtonDemoDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CButtonDemoDlg dialog

CButtonDemoDlg::CButtonDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CButtonDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CButtonDemoDlg)
	m_checkvalue1 = FALSE;//多选按钮选项1未被选中
	m_checkvalue2 = FALSE;//多选按钮选项2未被选中
	m_checkvalue3 = FALSE;//多选按钮选项3未被选中
	m_radio = 0;//第一单项按钮选中
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CButtonDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CButtonDemoDlg)
	DDX_Control(pDX, IDC_CHECK3, m_check3);
	DDX_Control(pDX, IDC_CHECK2, m_check2);
	DDX_Control(pDX, IDC_CHECK1, m_check1);
	DDX_Check(pDX, IDC_CHECK1, m_checkvalue1);
	DDX_Check(pDX, IDC_CHECK2, m_checkvalue2);
	DDX_Check(pDX, IDC_CHECK3, m_checkvalue3);
	DDX_Radio(pDX, IDC_RADIO1, m_radio);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CButtonDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CButtonDemoDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_RADIO1, OnRadio1)
	ON_BN_CLICKED(IDC_RADIO2, OnRadio2)
	ON_BN_CLICKED(IDC_RADIO3, OnRadio3)
	ON_BN_CLICKED(IDC_OK, OnOk)
	ON_BN_CLICKED(IDC_RESET, OnReset)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CButtonDemoDlg message handlers

BOOL CButtonDemoDlg::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
/*	CButton *p_MyBut = new CButton();
	CRect rect(10,10,30,20);
	p_MyBut->Create("动态创建",WS_CHILD|WS_VISIBLE,rect,this,IDS_MYBUTTON);
	p_MyBut->SetWindowPos(0,10,10,30,20,SWP_SHOWWINDOW);
	p_MyBut->ShowWindow(SW_SHOW);*/

	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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


void CButtonDemoDlg::OnRadio1() 
{
	// TODO: Add your control notification handler code here
	m_radio=0;
	m_check1.SetWindowText("数据库设计");//设置第一个多选项标题
	m_check2.SetWindowText("网站开发");//设置第二个多选项标题
	m_check3.SetWindowText("语言编程");//设置第三个多选项标题	
}

void CButtonDemoDlg::OnRadio2() 
{
	// TODO: Add your control notification handler code here
	m_radio=1;
	m_check1.SetWindowText("电路设计");//设置第一个多选项标题
	m_check2.SetWindowText("光电子技术");//设置第二个多选项标题
	m_check3.SetWindowText("无线通信");//设置第三个多选项标题	
}

void CButtonDemoDlg::OnRadio3() 
{
	// TODO: Add your control notification handler code here
	m_radio=2;
	m_check1.SetWindowText("商务英语");//设置第一个多选项标题
	m_check2.SetWindowText("德语法语");//设置第二个多选项标题
	m_check3.SetWindowText("其他小语种");//设置第三个多选项标题	
}



void CButtonDemoDlg::OnOk() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);//获取用户的输入
	if((!m_checkvalue1)&&(!m_checkvalue2)&&(!m_checkvalue3))//复选框为空
	{
		AfxMessageBox("必须选择精通科目！");
		return;//退出响应
	}
	GetDlgItem(IDCANCEL)->ShowWindow(SW_SHOW);//显示“退出窗口”按钮
	GetDlgItem(IDC_RESET)->EnableWindow(true);//“重置”按钮生效
	CString str,str1;							//字符串
	switch(m_radio)
	{
		case 0:	//第一个单选项被选中
			GetDlgItem(IDC_RADIO1)->GetWindowText(str1);//获取单选项标题
			str="专业方向："+str1+" 精通科目：";
			break;
		case 1:										//第二个单选项被选中
			GetDlgItem(IDC_RADIO2)->GetWindowText(str1);//获取单选项标题
			str="专业方向："+str1+" 精通科目：";
			break;
		case 2:										//第三个单选项被选中
			GetDlgItem(IDC_RADIO3)->GetWindowText(str1);//获取单选项标题
			str="专业方向："+str1+" 精通科目：";
			break;
	}
	if(m_checkvalue1)//第一个多选项被选中
	{
		m_check1.GetWindowText(str1);//获取多选项标题
		str=str+str1;
	}
	if(m_checkvalue2)//第二个多选项被选中
	{
		m_check2.GetWindowText(str1);//获取多选项标题
		str=str+str1;
	}				
	if(m_checkvalue3)//第三个多选项被选中	
	{
		m_check3.GetWindowText(str1);//获取多选项标题
		str=str+str1;
	}
	AfxMessageBox(str);//显示提示框
}


void CButtonDemoDlg::OnReset() 
{
	// TODO: Add your control notification handler code here
	m_radio=0;//选中单选项1
	m_checkvalue1=m_checkvalue2=m_checkvalue3=false;//复选项都未被选中
	UpdateData(false);//更新对话框
	GetDlgItem(IDC_RESET)->EnableWindow(false);//“重置”按钮无效
	GetDlgItem(IDCANCEL)->ShowWindow(SW_HIDE);//隐藏“退出窗口”按钮
}