VC++的菜单控制和自绘菜单。

m_crText = m_clrText;

m_bLBtnDown = FALSE;

m_iconX = GetSystemMetrics ( SM_CXMENUCHECK);

m_iconY = GetSystemMetrics (SM_CYMENUCHECK );

m_clrHilight = GetSysColor (COLOR_HIGHLIGHT);

m_brSelect.CreateSolidBrush (m_clrHilight);

m_clrHilightText = GetSysColor (COLOR_HIGHLIGHTTEXT);

ZeroMemory ((PVOID) &m_lf,sizeof (LOGFONT));

NONCLIENTMETRICS nm;

nm.cbSize = sizeof (NONCLIENTMETRICS);

//Get the system metrics for the Captionfromhere

VERIFY (SystemParametersInfo (SPI_GETNONCLIENTMETRICS,0,&nm,0));

m_lf = nm.lfMenuFont;

m_iMenuHeight = nm.iMenuHeight;

m_fontMenu.CreateFontIndirect (&m_lf);

}

CCustomMenu::~CCustomMenu()

{

if ((HBRUSH) m_brBackground != NULL)

m_brBackground.DeleteObject ();

if ((HFONT)m_fontMenu !=NULL)

m_fontMenu.DeleteObject ();

if ((HBRUSH)m_brSelect != NULL)

m_brSelect.DeleteObject ();

}

////////////////////////////////////////////////

//

// CCustomMenu message handlers

void CCustomMenu::DrawItem (LPDRAWITEMSTRUCT lpDIS)

{

ASSERT(lpDIS != NULL);

CDC* pDC = CDC::FromHandle(lpDIS->hDC);

CRect rect;

HICON hIcon;

COLORREF crText = m_crText;

// draw the colored rectangle portion

rect.CopyRect(&lpDIS->rcItem);

// draw the up/down/focused/disabled state

UINT action = lpDIS->itemAction;