Tile, center and stretch a bitmap as your MFC dialog background

// BitmapDialogDlg.h : header file
//

#if !defined(AFX_BITMAPDIALOGDLG_H__B3DD461D_0939_41AE_8CC4_0102426B2F29__INCLUDED_)
#define AFX_BITMAPDIALOGDLG_H__B3DD461D_0939_41AE_8CC4_0102426B2F29__INCLUDED_

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

#include "BDialog.h"

/////////////////////////////////////////////////////////////////////////////
// CBitmapDialogDlg dialog

class CBitmapDialogDlg : public CBDialog
{
// Construction
public:
	CBitmapDialogDlg(CWnd* pParent = NULL);	// standard constructor

// Dialog Data
	//{{AFX_DATA(CBitmapDialogDlg)
	enum { IDD = IDD_BITMAPDIALOG_DIALOG };
		// NOTE: the ClassWizard will add data members here
	//}}AFX_DATA

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

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CBitmapDialogDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnTile();
	afx_msg void OnCenter();
	afx_msg void OnStretch();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

#endif // !defined(AFX_BITMAPDIALOGDLG_H__B3DD461D_0939_41AE_8CC4_0102426B2F29__INCLUDED_)