modelessdlg.h

This is Visual C++ basis operation. Using that you can fast go in study.

#if !defined(AFX_MODELESSDLG_H__B4009481_17B4_4A22_B827_B2F39C78F0C8__INCLUDED_)
#define AFX_MODELESSDLG_H__B4009481_17B4_4A22_B827_B2F39C78F0C8__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// ModelessDlg.h : header file
//
class CExam6_1View;

/////////////////////////////////////////////////////////////////////////////
// CModelessDlg dialog

class CModelessDlg : public CDialog
{
// Construction
public:
	COLORREF m_color;
	CExam6_1View* m_parent;
	CModelessDlg(CWnd* pParent = NULL);   // standard constructor

// Dialog Data
	//{{AFX_DATA(CModelessDlg)
	enum { IDD = IDD_DIALOG2 };
	int		m_x;
	int		m_y;
	int		m_radius;
	//}}AFX_DATA


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

// Implementation
protected:

	// Generated message map functions
	//{{AFX_MSG(CModelessDlg)
	virtual void OnOK();
	virtual void OnCancel();
	afx_msg void OnColor();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_MODELESSDLG_H__B4009481_17B4_4A22_B827_B2F39C78F0C8__INCLUDED_)