day2_addcontroldlg.cpp

书籍：Teach Yourself Visual C++ 6 in 21 Days 第2章的源码：所有的源码都是我边读边写的

// Day2_AddControlDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Day2_AddControl.h"
#include "Day2_AddControlDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CDay2_AddControlDlg dialog

CDay2_AddControlDlg::CDay2_AddControlDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDay2_AddControlDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDay2_AddControlDlg)
	m_strMessage = _T("");
	m_strProgToRun = _T("");
	m_bEnableMsg = FALSE;
	m_bEnablePgm = FALSE;
	m_bShowMsg = FALSE;
	m_bShowPgm = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDay2_AddControlDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDay2_AddControlDlg)
	DDX_Text(pDX, IDC_MSG, m_strMessage);
	DDX_CBString(pDX, IDC_PROGTORUN, m_strProgToRun);
	DDX_Check(pDX, IDC_CHECKENBLMSG, m_bEnableMsg);
	DDX_Check(pDX, IDC_CHECKENBLPGM, m_bEnablePgm);
	DDX_Check(pDX, IDC_CHECKSHWMSG, m_bShowMsg);
	DDX_Check(pDX, IDC_CHECKSHWPGM, m_bShowPgm);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDay2_AddControlDlg, CDialog)
	//{{AFX_MSG_MAP(CDay2_AddControlDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_EXIT, OnExit)
	ON_BN_CLICKED(IDC_SHWMSG, OnShwmsg)
	ON_BN_CLICKED(IDC_CLRMSG, OnClrmsg)
	ON_BN_CLICKED(IDC_CHECKENBLMSG, OnCheckenblmsg)
	ON_BN_CLICKED(IDC_CHECKSHWMSG, OnCheckshwmsg)
	ON_BN_CLICKED(IDC_RUNPGM, OnRunpgm)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDay2_AddControlDlg message handlers

BOOL CDay2_AddControlDlg::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
	// ADD CODE
    ///////////////////////
     // MY CODE STARTS HERE
     ///////////////////////
 
     // Put a default message in the message edit
     m_strMessage = "Place a message here";
 
     // Set all of the check boxes to checked
    m_bShowMsg = TRUE;
     m_bShowPgm = TRUE;
     m_bEnableMsg = TRUE;
     m_bEnablePgm = TRUE;
 
     // Update the dialog with the values
     UpdateData(FALSE);
 
     ///////////////////////
     // MY CODE ENDS HERE
     ///////////////////////

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

void CDay2_AddControlDlg::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 CDay2_AddControlDlg::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 CDay2_AddControlDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CDay2_AddControlDlg::OnExit() 
{
	// TODO: Add your control notification handler code here
    // ADD CODE:
	OnOK();
	
}

void CDay2_AddControlDlg::OnShwmsg() 
{
	// TODO: Add your control notification handler code here
	// ADD CODE
	// Read the variable value 
	UpdateData(TRUE);
	MessageBox(m_strMessage);
}

void CDay2_AddControlDlg::OnClrmsg() 
{
	// TODO: Add your control notification handler code here
	// ADD CODE
	// Clear the message
    m_strMessage = "";
	// Update the screen
	UpdateData(FALSE);

}

void CDay2_AddControlDlg::OnCheckenblmsg() 
{
	// TODO: Add your control notification handler code here
	// ADD CODE
///////////////////////
// MY CODE STARTS HERE
///////////////////////

// Get the current values from the screen
UpdateData(TRUE);

// Is the Enable Message Action check box checked?
if (m_bEnableMsg == TRUE)
{
    // Yes, so enable all controls that have anything
    // to do with showing the user message
    GetDlgItem(IDC_MSG)->EnableWindow(TRUE);
    GetDlgItem(IDC_SHWMSG)->EnableWindow(TRUE);
    GetDlgItem(IDC_DFLTMSG)->EnableWindow(TRUE);
    GetDlgItem(IDC_CLRMSG)->EnableWindow(TRUE);
    GetDlgItem(IDC_STATICMSG)->EnableWindow(TRUE);
}
else
{
    // No, so disable all controls that have anything
    // to do with showing the user message
    GetDlgItem(IDC_MSG)->EnableWindow(FALSE);
    GetDlgItem(IDC_SHWMSG)->EnableWindow(FALSE);
    GetDlgItem(IDC_DFLTMSG)->EnableWindow(FALSE);
    GetDlgItem(IDC_CLRMSG)->EnableWindow(FALSE);
    GetDlgItem(IDC_STATICMSG)->EnableWindow(FALSE);
}

///////////////////////
// MY CODE ENDS HERE
///////////////////////

	
}

void CDay2_AddControlDlg::OnCheckshwmsg() 
{
	// TODO: Add your control notification handler code here
	// ADD CODE
	///////////////////////
// MY CODE STARTS HERE
///////////////////////

// Get the current values from the screen
UpdateData(TRUE);

// Is the Show Message Action check box checked?
if (m_bShowMsg == TRUE)
{
    // Yes, so show all controls that have anything
    // to do with showing the user message
    GetDlgItem(IDC_MSG)->ShowWindow(TRUE);
    GetDlgItem(IDC_SHWMSG)->ShowWindow(TRUE);
    GetDlgItem(IDC_DFLTMSG)->ShowWindow(TRUE);
    GetDlgItem(IDC_CLRMSG)->ShowWindow(TRUE);
    GetDlgItem(IDC_STATICMSG)->ShowWindow(TRUE);
}
else
{
    // No, so hide all controls that have anything
    // to do with showing the user message
    GetDlgItem(IDC_MSG)->ShowWindow(FALSE);
    GetDlgItem(IDC_SHWMSG)->ShowWindow(FALSE);
    GetDlgItem(IDC_DFLTMSG)->ShowWindow(FALSE);
    GetDlgItem(IDC_CLRMSG)->ShowWindow(FALSE);
    GetDlgItem(IDC_STATICMSG)->ShowWindow(FALSE);
}

///////////////////////
// MY CODE ENDS HERE
///////////////////////
}

void CDay2_AddControlDlg::OnRunpgm() 
{
	// TODO: Add your control notification handler code here
	// ADD CODE
	     ///////////////////////
     // MY CODE STARTS HERE
     ///////////////////////
 
     // Get the current values from the screen
     UpdateData(TRUE);
 
     // Declare a local variable for holding the program name
     CString strPgmName;
 
     // Copy the program name to the local variable
     strPgmName = m_strProgToRun;
 
     // Make the program name all uppercase
     strPgmName.MakeUpper();
 
     // Did the user select to run the Paint program?
     if (strPgmName == "PAINT")
         // Yes, run the Paint program
         WinExec("mspaint.exe", SW_SHOW);
 
     // Did the user select to run the Notepad program?
     if (strPgmName == "NOTEPAD")
         // Yes, run the Notepad program
         WinExec("notepad.exe", SW_SHOW);
 
     // Did the user select to run the Solitaire program?
     if (strPgmName == "SOLITAIRE")
         // Yes, run the Solitaire program
         WinExec("sol.exe", SW_SHOW);
 
     // Did the user select to run the Solitaire program?
     if (strPgmName == "EXPLORER")
         // Yes, run the Solitaire program
         WinExec("explorer.exe", SW_SHOW);
 
     ///////////////////////
     // MY CODE ENDS HERE
     ///////////////////////
}