Skins in a Dialog-Based Application

header file

CBitmap m_bmpMainBG;
int m_nMainWidth;
int m_nMainHeight;

InitDialog

// Main 배경 화면
BITMAP bmpInfo;								// 비트맵 정보
m_bmpMainBG.LoadBitmap(IDB_UNSPYCURE_BG2);	// Main 배경 이미지 Load
m_bmpMainBG.GetBitmap(&bmpInfo);			// Main 배경 비트맵 정보 읽기
m_nMainWidth = bmpInfo.bmWidth;				// Main 윈도우 폭
m_nMainHeight = bmpInfo.bmHeight;			// Main 윈도우 높이
SetWindowPos(NULL, 0, 0, m_nMainWidth, m_nMainHeight, 
			SWP_NOZORDER | SWP_NOMOVE);

OnPaint

// Main 배경 그림 그리기
CDC cdc;
cdc.CreateCompatibleDC(&dc);
cdc.SelectObject(m_bmpMainBG);
dc.BitBlt(0, 0, m_nMainWidth, m_nMainHeight, &cdc, 0, 0, SRCCOPY);
cdc.DeleteDC();

Disable OnOK() automatic call(enter, esc, space)

BOOL CDlg::PreTranslateMessage(MSG* pMsg)
{
	if(pMsg->message == WM_KEYDOWN)
	{
		switch(pMsg->wParam)
		{
		case VK_RETURN:
		case VK_ESCAPE:
		case VK_SPACE:
			::TranslateMessage(pMsg);
			::DispatchMessage(pMsg);
            return TRUE;
		}
	}

	return CDialog::PreTranslateMessage(pMsg);
} 

Modeless dialog

Create

m_pModalessDlg = new CModalessDlg(this);
m_pModalessDlg->Create(CModeless::IDD, this);

// Modalless.h
CWnd * m_pParent

// Modalless.cpp 
// Constructor
m_pParent = pParent;

Show

m_pModalessDlg->MoveWindow(rect);
m_pModalessDlg->ShowWindow( SW_SHOW );

Destroy

//Modalless.cpp
ON_BN_CLICKED(IDCANCEL, OnBnClickedCancel)

void CModeless::OnBnClickedCancel()
{
	DestroyWindow(); 
}

void CModeless::PostNcDestroy()
{
	CDialog::PostNcDestroy();
	if(m_pParent)
	{  
		((CParentDialog*)m_pParent)->m_pmodeless = NULL;  
	}
	delete this;
}

If the menu is attached to a dialog box in Visual C++

http://support.microsoft.com/kb/242577/en-us/