又VC＋＋实现的基于TWAIN的扫描仪图像输入处理软件

				 // Position.h : header file
				class CPosition : public CDialog
				{
				public:
					CString  m_nUNIT;
					CPosition(CWnd* pParent = NULL);  
					BOOL Create(void);
				    void SetPosition2(RECT rt);
					void SetPosition1(double n1,double n2,double n3,double n4);
				    void OnUpdateImageSize();
				
					//{{AFX_DATA(CPosition)
					   enum { IDD = IDD_Position };
					   double m_nX0;
					   double m_nY0;
				       double m_nX10;
					   double m_nY10;
					   double m_nWidth;
					   double m_nLength;
				       double m_nWidth1;
					   double m_nLength1;
				       double  m_nSize;
					   int x;
				       int m_nRd;
					   CString m_sType;
				       CString m_sScanType;
					//}}AFX_DATA
				
					//{{AFX_VIRTUAL(CPosition)
					protected:
					  virtual void DoDataExchange(CDataExchange* pDX); 
					//}}AFX_VIRTUAL
				protected:
				    int m_nID;
					CWnd* m_pParent;
					//{{AFX_MSG(CPosition)
					   virtual void OnOK();
					   virtual BOOL OnInitDialog();
					   afx_msg void OnClose();	
					   afx_msg void OnEnter();
					   afx_msg void OnSelchangeComboUnit();
					//}}AFX_MSG
					DECLARE_MESSAGE_MAP()
				};