testeasyrandomdlg.cpp

本压缩文件提供了VC平台中在固定的时间内生成随机数的程序。

// TestEasyRandomDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TestEasyRandom.h"
#include "TestEasyRandomDlg.h"
#include "EasyRand.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CTestEasyRandomDlg dialog

CTestEasyRandomDlg::CTestEasyRandomDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTestEasyRandomDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTestEasyRandomDlg)
	m_nAmount = 0;
	m_nHigh = 0;
	m_nLow = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTestEasyRandomDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTestEasyRandomDlg)
	DDX_Control(pDX, IDC_RANDOM, m_cRandomBox);
	DDX_Text(pDX, IDC_AMOUNT, m_nAmount);
	DDV_MinMaxInt(pDX, m_nAmount, 0, 9999);
	DDX_Text(pDX, IDC_HIGH, m_nHigh);
	DDV_MinMaxInt(pDX, m_nHigh, 0, 9999);
	DDX_Text(pDX, IDC_LOW, m_nLow);
	DDV_MinMaxInt(pDX, m_nLow, 0, 9999);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTestEasyRandomDlg, CDialog)
	//{{AFX_MSG_MAP(CTestEasyRandomDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDRANDOM, OnRandom)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestEasyRandomDlg message handlers

BOOL CTestEasyRandomDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

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

// 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 CTestEasyRandomDlg::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 CTestEasyRandomDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CTestEasyRandomDlg::OnRandom() 
{
	CString s;
	// Transfer data from controls to variables
	UpdateData();
	
	// Delete all the items from the list box.
	m_cRandomBox.ResetContent();
	
	// Create a EasyRandom object, set Low & High intervals
	EasyRandom RandomX(m_nLow,m_nHigh);
	
	// set Random seed (current local time & date)
	RandomX.SetTimerSeed();
	
	
	for (int i = 0; i < m_nAmount; i++) {
		// change integer to string and drawRandomNumber
		s.Format("%d", RandomX.DrawRandomNumber());
		m_cRandomBox.AddString(s); 
	}
	
	// Transfer data from variables to controls
	UpdateData(FALSE);	
}