计算平均成绩和总分源代码：
// CountTestDlg.cpp : implementation file
//
#include \"stdafx.h\"
#include \"CountTest.h\"
#include \"CountTestDlg.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); //}}AFX_VIRTUAL
// DDX/DDV support
// 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()
/////////////////////////////////////////////////////////////////////////////
// CCountTestDlg dialog
CCountTestDlg::CCountTestDlg(CWnd* pParent /*=NULL*/)
: CDialog(CCountTestDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CCountTestDlg)
m_ave = 0.0f;
m_S1 = 0.0f;
m_S2 = 0.0f;
m_S3 = 0.0f;
m_sum = 0.0f;
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CCountTestDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CCountTestDlg)
DDX_Control(pDX, IDC_SPIN3, m_spin3);
DDX_Control(pDX, IDC_SPIN2, m_spin2);
DDX_Control(pDX, IDC_SPIN1, m_spin1);
DDX_Text(pDX, IDC_AVERAGE, m_ave);
DDX_Text(pDX, IDC_SCORE1, m_S1);
DDV_MinMaxFloat(pDX, m_S1, 0.f, 100.f);
DDX_Text(pDX, IDC_SCORE2, m_S2);
DDV_MinMaxFloat(pDX, m_S2, 0.f, 100.f);
DDX_Text(pDX, IDC_SCORE3, m_S3);
DDV_MinMaxFloat(pDX, m_S3, 0.f, 100.f);
DDX_Text(pDX, IDC_SUM, m_sum);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CCountTestDlg, CDialog)
//{{AFX_MSG_MAP(CCountTestDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN1, OnDeltaposSpin1)
ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN2, OnDeltaposSpin2)
ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN3, OnDeltaposSpin3)
ON_BN_CLICKED(IDC_BUTTONAVE, OnButtonave)
ON_BN_CLICKED(IDC_BUTTONSUM, OnButtonsum)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCountTestDlg message handlers
BOOL CCountTestDlg::OnInitDialog()
{
CDialog::OnInitDialog();
m_spin1.SetRange(0,100);
m_spin2.SetRange(0,100);
m_spin3.SetRange(0,100);
return TRUE; // 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
return TRUE; // return TRUE unless you set the focus to a control
}
void CCountTestDlg::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 CCountTestDlg::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 CCountTestDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CCountTestDlg::OnDeltaposSpin1(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;
UpdateData();
m_S1+=(float)pNMUpDown->iDelta*0.5f;
UpdateData(FALSE); // TODO: Add your control notification handler code here
*pResult = 0;
}
void CCountTestDlg::OnDeltaposSpin2(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;
UpdateData();
m_S2+=(float)pNMUpDown->iDelta*0.5f;
UpdateData(FALSE); // TODO: Add your control notification handler code here
*pResult = 0;
}
void CCountTestDlg::OnDeltaposSpin3(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;
UpdateData();
m_S3+=(float)pNMUpDown->iDelta*0.5f;
UpdateData(FALSE); // TODO: Add your control notification handler code here
*pResult = 0;
}
void CCountTestDlg::OnButtonave()
{
UpdateData();
m_ave=(m_S1+m_S2+m_S3)/3;
UpdateData(FALSE); // TODO: Add your control notification handler code here
}
void CCountTestDlg::OnButtonsum()
{
UpdateData();
m_sum=m_S1+m_S2+m_S3;
UpdateData(FALSE); // TODO: Add your control notification handler code here
}
对话框：
总分和平均分编辑框设置：
旋转按钮属性：
类向导对话框：
添加消息响应函数：
运行结果：
