//獲得位圖句柄 
void CMovePictureDlg::GetHandleFromPath(CString path) 
{ 
    hBitmap= (HBITMAP)::LoadImage(AfxGetInstanceHandle(),path,IMAGE_BITMAP,0,0,LR_CREATEDIBSECTION|LR_LOADFROMFILE);//創(chuàng)建位圖句柄 
}

//獲取位圖對象 

void CMovePictureDlg::GetBitMap(HBITMAP hBitmap) 

{ 

   m_BitMap.Attach(hBitmap);//通過位圖句柄創(chuàng)建位圖對象 

 
    //獲取圖像信息 

    BITMAPINFOHEADER bminfo;  

    m_BitMap.GetObject(sizeof(bminfo),&bminfo);  

 
//獲取位圖寬高 

    m_nBmpWidth=bminfo.biWidth; 

    m_nBmpHeight=bminfo.biHeight; 

}

// MovePictureDlg.h : header file 
// 
#include "PictureBox.h" 

#if !defined(AFX_MOVEPICTUREDLG_H__6FFC1DDF_478C_43D6_B854_4D51E98D5E50__INCLUDED_)
#define AFX_MOVEPICTUREDLG_H__6FFC1DDF_478C_43D6_B854_4D51E98D5E50__INCLUDED_

#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 

///////////////////////////////////////////////////////////////////////////// 
// CMovePictureDlg dialog 

class CMovePictureDlg : public CDialog 
{ 
// Construction 
public: 
    void GetBitMap(HBITMAP hBitmap); 
    void GetHandleFromPath(CString path); 
    void SetPicRect(int x,int y); 
    void SetSysPath(); 
    CMovePictureDlg(CWnd* pParent = NULL);  // standard constructor 

// Dialog Data 
    //{{AFX_DATA(CMovePictureDlg) 
    enum { IDD = IDD_MOVEPICTURE_DIALOG }; 
    CEdit   m_editF; 
    CEdit   m_editDV; 
    //}}AFX_DATA 

    // ClassWizard generated virtual function overrides 
    //{{AFX_VIRTUAL(CMovePictureDlg) 
    protected: 
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support 
    //}}AFX_VIRTUAL 

// Implementation 
protected: 
    HICON m_hIcon; 

    // Generated message map functions 
    //{{AFX_MSG(CMovePictureDlg) 
    virtual BOOL OnInitDialog(); 
    afx_msg void OnSysCommand(UINT nID, LPARAM lParam); 
    afx_msg void OnPaint(); 
    afx_msg HCURSOR OnQueryDragIcon(); 
    afx_msg void OnLButtonDown(UINT nFlags, CPoint point); 
    afx_msg void OnMouseMove(UINT nFlags, CPoint point); 
    afx_msg void OnLButtonUp(UINT nFlags, CPoint point); 
    afx_msg void OnTimer(UINT nIDEvent); 
    afx_msg void OnDestroy(); 
    //}}AFX_MSG 
    DECLARE_MESSAGE_MAP() 
private: 
    CString sysPath;//保存系統(tǒng)路徑 
    CString bmpPath;//位圖路徑 

    HBITMAP hBitmap;//位圖句柄 
    CBitmap m_BitMap;//位圖對象 
    int m_nBmpWidth;//位圖寬度 
    int m_nBmpHeight;//位圖高度 

    CPictureBox* pictureBox;//圖片控件 
    CRect picRect;//控件所占區(qū)域 
    BOOL isSelect;//判斷控件是否被選中 

    BOOL isDown;//判斷鼠標是否按下 

    CPoint oldPoint;//鼠標原始位置 

    CPoint startPoint;//移動起始位置 

    SYSTEMTIME startTime;//開始時間 
    SYSTEMTIME endTime;//結(jié)束時間 

    double vx;//x方向速度 
    double vy;//y方向速度 

    double f;//阻力 
    double dv;//動力增量 

    CRect clientRect;//客戶區(qū)域 
}; 

//{{AFX_INSERT_LOCATION}} 
// Microsoft Visual C++ will insert additional declarations immediately before the previous line. 

#endif // !defined(AFX_MOVEPICTUREDLG_H__6FFC1DDF_478C_43D6_B854_4D51E98D5E50__INCLUDED_)

// MovePictureDlg.cpp : implementation file 
// 

#include "stdafx.h" 
#include "MovePicture.h" 
#include "MovePictureDlg.h" 
#include <math.h> 

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

///////////////////////////////////////////////////////////////////////////// 
// CAboutDlg dialog used for App About 

//計算時間差  
inline   __int64   TimeDiff(SYSTEMTIME left,SYSTEMTIME right)  
{  
    CTime   tmLeft(left.wYear,left.wMonth,left.wDay,0,0,0);  
    CTime   tmRight(left.wYear,left.wMonth,left.wDay,0,0,0);  
    CTimeSpan   sp;  
    sp   =   tmLeft   -   tmRight;//計算日期比較麻煩，就交給MFC去做吧  
    long   lLMinllis   =   (left.wHour*3600   +   left.wMinute*60   +   left.wSecond)*1000   +   left.wMilliseconds;  
    long   lRMinllis   =   (right.wHour*3600   +   right.wMinute*60   +   right.wSecond)*1000   +   right.wMilliseconds;  

    return   (__int64)sp.GetDays()*86400000   +   (lLMinllis   -   lRMinllis); 
} 

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() 

///////////////////////////////////////////////////////////////////////////// 
// CMovePictureDlg dialog 

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

    isDown = FALSE;//初始化鼠標按下狀態(tài) 
    isSelect = FALSE;//初始化選中狀態(tài) 
    f = 0.05;//初始化阻力 
    dv = 5;//初始化動力增量 
} 

void CMovePictureDlg::DoDataExchange(CDataExchange* pDX) 
{ 
    CDialog::DoDataExchange(pDX); 
    //{{AFX_DATA_MAP(CMovePictureDlg) 
    DDX_Control(pDX, IDC_EDITF, m_editF); 
    DDX_Control(pDX, IDC_EDITDV, m_editDV); 
    //}}AFX_DATA_MAP 
} 

BEGIN_MESSAGE_MAP(CMovePictureDlg, CDialog) 
    //{{AFX_MSG_MAP(CMovePictureDlg) 
    ON_WM_SYSCOMMAND() 
    ON_WM_PAINT() 
    ON_WM_QUERYDRAGICON() 
    ON_WM_LBUTTONDOWN() 
    ON_WM_MOUSEMOVE() 
    ON_WM_LBUTTONUP() 
    ON_WM_TIMER() 
    ON_WM_DESTROY() 
    //}}AFX_MSG_MAP 
END_MESSAGE_MAP() 

///////////////////////////////////////////////////////////////////////////// 
// CMovePictureDlg message handlers 

//對話框初始化 
BOOL CMovePictureDlg::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 

    pictureBox = (CPictureBox*)GetDlgItem(IDC_PICTUREBOX);//獲得圖片框指針 

    SetSysPath();//設(shè)置系統(tǒng)路徑 

    bmpPath = sysPath+"http://image.bmp";//設(shè)置位圖路徑 

    GetHandleFromPath(bmpPath);//創(chuàng)建位圖句柄 

    GetBitMap(hBitmap);//獲得位圖 

    //設(shè)置位圖控件區(qū)域 
    SetPicRect(0,0); 

    pictureBox->MoveWindow(picRect);//設(shè)置控件位置 

    //設(shè)置文本框值 
    CString strDV,strF; 
    strDV.Format("%f",dv); 
    strF.Format("%f",f); 

    m_editDV.SetWindowText(strDV); 
    m_editF.SetWindowText(strF); 
    return TRUE;  // return TRUE  unless you set the focus to a control 
} 

void CMovePictureDlg::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. 

//重繪函數(shù) 
void CMovePictureDlg::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); 
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