怎样把静态标签设为透明？

[xjjxing]

我的对话框上画上了图片，上面有几个标签，标签上除了字的部分还是灰色的，太不好看了，怎样能让它变为透明的？本身属性里有个透明选项，不过不好使，各位高手，我应该怎么办？

[老夏Max]

//CPP文件：
/*===========================================================================
==== ====
==== File name : StaticTrans.cpp ====
==== Creation date : 7/10/2001 ====
==== Author(s) : Dany Cantin ====
==== ====
===========================================================================*/

#include "stdafx.h"
#include "StaticTrans.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CStaticTrans

CStaticTrans::CStaticTrans()
{
m_TextColor = RGB(0, 0, 0);
m_BackColor = TRANS_BACK;
}

CStaticTrans::~CStaticTrans()
{
}


BEGIN_MESSAGE_MAP(CStaticTrans, CStatic)
//{{AFX_MSG_MAP(CStaticTrans)
ON_WM_CTLCOLOR_REFLECT()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CStaticTrans message handlers

HBRUSH CStaticTrans::CtlColor(CDC* pDC, UINT nCtlColor)
{
m_Brush.DeleteObject();

if (m_BackColor == TRANS_BACK) {
m_Brush.CreateStockObject(HOLLOW_BRUSH);
pDC->SetBkMode(TRANSPARENT);
}
else {
m_Brush.CreateSolidBrush(m_BackColor);
pDC->SetBkColor(m_BackColor);
}

pDC->SetTextColor(m_TextColor);

return (HBRUSH)m_Brush;
}

void CStaticTrans::UpdateCtrl()
{
CWnd* pParent = GetParent();
CRect rect;

GetWindowRect(rect);
pParent->ScreenToClient(rect);
rect.DeflateRect(2, 2);

pParent->InvalidateRect(rect, FALSE);
}

[老夏Max]

//头文件
/*===========================================================================
==== ====
==== File name : StaticTrans.h ====
==== Creation date : 7/10/2001 ====
==== Author(s) : Dany Cantin ====
==== ====
===========================================================================*/

#ifndef STATICTRANS_H
#define STATICTRANS_H

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


/////////////////////////////////////////////////////////////////////////////
// CStaticTrans window

#define TRANS_BACK -1

class CStaticTrans : public CStatic
{
// Construction
public:
CStaticTrans();

private:
COLORREF m_TextColor;
COLORREF m_BackColor;
CBrush m_Brush;

// Operations
public:
void SetTextColor(COLORREF col) { m_TextColor = col;
UpdateCtrl(); }
void SetBackColor(COLORREF col) { m_BackColor = col;
UpdateCtrl(); }

private:
void UpdateCtrl();

// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CStaticTrans)
//}}AFX_VIRTUAL

// Implementation
public:
virtual ~CStaticTrans();

// Generated message map functions
protected:
//{{AFX_MSG(CStaticTrans)
afx_msg HBRUSH CtlColor(CDC* pDC, UINT nCtlColor);
//}}AFX_MSG

DECLARE_MESSAGE_MAP()
};


#endif // STATICTRANS_H

[老夏Max]

使用：
CStaticTrans类代替CStatic类

[xjjxing]

谢谢您