Как заставить круг двигаться в диалоговом окне (MFC)?

// MFCApplication1Dlg.cpp : implementation file
//
 
#include "stdafx.h"
#include "MFCApplication1.h"
#include "MFCApplication1Dlg.h"
#include "afxdialogex.h"
 
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
 
 
// CAboutDlg dialog used for App About
 
class CAboutDlg : public CDialogEx
{
public:
    CAboutDlg();
 
// Dialog Data
#ifdef AFX_DESIGN_TIME
    enum { IDD = IDD_ABOUTBOX };
#endif
 
    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
 
// Implementation
protected:
    DECLARE_MESSAGE_MAP()
};
 
CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX)
{
}
 
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialogEx::DoDataExchange(pDX);
}
 
BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()
 
 
// CMFCApplication1Dlg dialog
 
 
 
CMFCApplication1Dlg::CMFCApplication1Dlg(CWnd* pParent /*=NULL*/)
    : CDialogEx(IDD_MFCAPPLICATION1_DIALOG, pParent)
{
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
 
void CMFCApplication1Dlg::DoDataExchange(CDataExchange* pDX)
{
    CDialogEx::DoDataExchange(pDX);
}
 
BEGIN_MESSAGE_MAP(CMFCApplication1Dlg, CDialogEx)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
END_MESSAGE_MAP()
 
 
// CMFCApplication1Dlg message handlers
 
BOOL CMFCApplication1Dlg::OnInitDialog()
{
    CDialogEx::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)
    {
        BOOL bNameValid;
        CString strAboutMenu;
        bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
        ASSERT(bNameValid);
        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 CMFCApplication1Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
    if ((nID & 0xFFF0) == IDM_ABOUTBOX)
    {
        CAboutDlg dlgAbout;
        dlgAbout.DoModal();
    }
    else
    {
        CDialogEx::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 CMFCApplication1Dlg::OnPaint()
{
    
        CPaintDC dc(this); // контекст устройства для рисования
        CRect rect;
        GetClientRect(&rect);
        CPen pen(PS_SOLID, 2, RGB(0, 0, 0));//цвет контура
        CBrush brush(RGB(218, 112, 214));//цвет ракеты
        CPen * pOldPen = dc.SelectObject(&pen);
        CBrush * pOldBrush = dc.SelectObject(&brush);
        //dc.MoveTo(200, 250);//ставит точку, начала рисования
        //dc.Rectangle(200, 150, 400, 100);//рисуем прямоугольник (основа машины)
        ////рисуем колёса
        dc.Ellipse(350, 125, 400, 175);
 
 
        //dc.Ellipse(200, 125, 250, 175);
        //dc.MoveTo(250,100);
        //dc.LineTo(250, 50);
        //dc.LineTo(350, 50);
        //dc.LineTo(350, 100);
        //dc.Rectangle(315, 80, 340, 100);//рисуем прямоугольник (окошко)
        //dc.Rectangle(380, 100, 400, 120);//рисуем прямоугольник (фара)
        //dc.SelectObject(pOldPen);
        //dc.SelectObject(pOldBrush);   
}
 
// The system calls this function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMFCApplication1Dlg::OnQueryDragIcon()
{
    return static_cast<HCURSOR>(m_hIcon);
}