如何用VC++处理ComboBox中加入颜色、线形等选项（如Word中的一样）？

[yuanhaili]

如何用VC++处理ComboBox中加入颜色、线形等选项（如Word中的一样）？
请大侠拔刀相助！

[bigjim]

CComboBox中如果不是标准的文字，就要设置Owner Draw属性，而且要重载一些函数来完成描绘自身的功能。你提到的加入颜色框、线条样式等问题，在CSDN上有很多例子。
http://red.east.net.cn/~develop/Visual%20C/index.htm查阅组合框

[softdoctor]

要自绘才行
如下是一个我写的ColorComboBox的原码
看吧！
class CColorComboBox : public CComboBox
{
// Construction
public:
CColorComboBox();

// Attributes
public:

// Operations
public:

// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CColorComboBox)
public:
virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
virtual void MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct);
virtual int CompareItem(LPCOMPAREITEMSTRUCT lpCompareItemStruct);
//}}AFX_VIRTUAL

// Implementation
public:
void SetColor(UINT nID);
UINT m_iColorFrom;
BOOL Create(UINT nID,CRect rc,CWnd * pWnd);
void InitColor(BOOL bFront=TRUE,UINT iColorFrom=0,UINT iColorCount=16);
COLORREF GetColor(UINT nID);
UINT m_iColorCount;
virtual ~CColorComboBox();

// Generated message map functions
protected:
//{{AFX_MSG(CColorComboBox)
afx_msg void OnDrawItem(int nIDCtl, LPDRAWITEMSTRUCT lpDrawItemStruct);
//}}AFX_MSG

DECLARE_MESSAGE_MAP()
private:
BOOL m_bFront;
};


CColorComboBox::CColorComboBox()
{
}

CColorComboBox::~CColorComboBox()
{
}


BEGIN_MESSAGE_MAP(CColorComboBox, CComboBox)
//{{AFX_MSG_MAP(CColorComboBox)
ON_WM_DRAWITEM()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CColorComboBox message handlers

COLORREF CColorComboBox::GetColor(UINT nID)
{
ASSERT(nID >= 0);
ASSERT(nID < m_iColorCount);
if (nID == 0)
{
if(m_bFront)
return ::GetSysColor(COLOR_WINDOWTEXT);
else return ::GetSysColor(COLOR_WINDOW);
}
else
{
CPalette* pPal = CPalette::FromHandle( (HPALETTE) GetStockObject(DEFAULT_PALETTE));
ASSERT(pPal != NULL);
PALETTEENTRY pe;
if (pPal->GetPaletteEntries(nID, 1, &pe) == 0)
return ::GetSysColor(COLOR_WINDOWTEXT);
else
return RGB(pe.peRed,pe.peGreen,pe.peBlue);
}
}

void CColorComboBox::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
// TODO: Add your code to draw the specified item
UINT id = lpDrawItemStruct->itemID;
static iPreSel = 0;
if(id<0 and and id>=m_iColorCount)
return;
CDC dc;
dc.Attach(lpDrawItemStruct->hDC);
CRect rc(lpDrawItemStruct->rcItem);
COLORREF cr=GetColor(id);
rc.DeflateRect(3,3);
if(lpDrawItemStruct->itemState & ODS_SELECTED and and lpDrawItemStruct->itemAction & ODA_SELECT )
{
if(iPreSel!=id)
{
CRect rcPre = rc;
rcPre.InflateRect(3,3);
rcPre.OffsetRect(0,-(id-iPreSel)*rcPre.Height());
dc.FillSolidRect(rcPre,GetSysColor(COLOR_WINDOW));
rcPre.DeflateRect(4,4);
dc.FillSolidRect(rcPre, GetColor(iPreSel));
iPreSel=id;
}
dc.Rectangle(rc);
}
if(lpDrawItemStruct->itemState&ODS_COMBOBOXEDIT )
dc.Rectangle(rc);
rc.DeflateRect(1,1);

CBrush brushFill(cr);
dc.FillRect(&rc, &brushFill);
dc.Detach();
}

void CColorComboBox::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
ASSERT(lpMeasureItemStruct->CtlType==ODT_COMBOBOX);
UINT id = lpMeasureItemStruct->itemData;
if(id<0 and and id>=m_iColorCount)
return;
CRect rc;
GetClientRect(&rc);
lpMeasureItemStruct->itemWidth = rc.Width();
lpMeasureItemStruct->itemHeight = 20;

}

void CColorComboBox::OnDrawItem(int nIDCtl, LPDRAWITEMSTRUCT lpDrawItemStruct)
{
CComboBox::OnDrawItem(nIDCtl, lpDrawItemStruct);
}

void CColorComboBox::InitColor(BOOL bFront,UINT iColorFrom,UINT iColorCount)
{
m_bFront=bFront;
m_iColorFrom=iColorFrom;
m_iColorCount=iColorCount;
for (UINT i=0;i<iColorCount;i++)
{
AddString("");
SetItemData(i,i);
}
}

BOOL CColorComboBox::Create(UINT nID, CRect rc, CWnd * pWnd)
{
return CComboBox::Create(WS_VSCROLL and CBS_DROPDOWNLIST and WS_CHILD and WS_VISIBLE and CBS_OWNERDRAWFIXED and CBS_SORT and WS_TABSTOP,rc,pWnd,nID);
}

int CColorComboBox::CompareItem(LPCOMPAREITEMSTRUCT lpCompareItemStruct)
{
// TODO: Add your code to determine the sorting order of the specified items
// return -1 = item 1 sorts before item 2
// return 0 = item 1 and item 2 sort the same
// return 1 = item 1 sorts after item 2
//return 1;
return 0;
}

void CColorComboBox::SetColor(UINT nID)
{
ASSERT(nID<m_iColorCount);
SetCurSel(nID);
}

[sutao]

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