accesspicturedlg.h

一个应用ADO使用ACCESS数据库的图像显示程序

// AccessPictureDlg.h : header file
//

#if !defined(AFX_ACCESSPICTUREDLG_H__12280433_8E8D_4340_8E4F_011E8109C93D__INCLUDED_)
#define AFX_ACCESSPICTUREDLG_H__12280433_8E8D_4340_8E4F_011E8109C93D__INCLUDED_

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

/////////////////////////////////////////////////////////////////////////////
// CAccessPictureDlg dialog

class CAccessPictureDlg : public CDialog
{
// Construction
public:
   _RecordsetPtr	m_pRecordset;		//记录集对象
	HBITMAP			m_hPhotoBitmap;		//位图句柄
	BOOL			m_bModify;			//是否处于修改状态
	BOOL			m_bNewUser;			//是否处于增加记录状态

	char			*m_pBMPBuffer;		//内存数据
    DWORD			m_nFileLen;

	VOID ResetControls();
	BOOL LoadBMPFile(const char *pBMPPathname);
	BOOL LastRecord();
	BOOL FirstRecord();

	VOID DrawUserPhoto(int x, int y, CDC *pDC);
	BOOL DestroyWindow();
	VOID DestroyPhoto();
	HBITMAP BufferToHBITMAP();
	VOID ReadData();
	CAccessPictureDlg(CWnd* pParent = NULL);	// standard constructor

// Dialog Data
	//{{AFX_DATA(CAccessPictureDlg)
	enum { IDD = IDD_ACCESSPICTURE_DIALOG };
	CEdit	m_editUserName;
	CEdit	m_editOld;
	CButton	m_buttonSelectPhoto;
	CButton	m_buttonSaveInfo;
	CButton	m_buttonPreviousUser;
	CButton	m_buttonNextUser;
	CButton	m_buttonDeleteUser;
	CString	m_Old;
	CString	m_UserName;
	//}}AFX_DATA

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

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CAccessPictureDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnAdduser();
	afx_msg void OnPrevioususer();
	afx_msg void OnNextuser();
	afx_msg void OnSelectphoto();
	afx_msg void OnDeleteuser();
	afx_msg void OnSaveinfo();
	afx_msg void OnChangeUsername();
	afx_msg void OnChangeOld();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_ACCESSPICTUREDLG_H__12280433_8E8D_4340_8E4F_011E8109C93D__INCLUDED_)