从CStatic派生新类，形成具有可以改变字体、背景颜色 和字体颜色的控件类

// ColorText_Static.cpp : implementation file
//

#include "stdafx.h"
#include "ColorText_Static.h"

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

/////////////////////////////////////////////////////////////////////////////
// CColorText_Static

CColorText_Static::CColorText_Static()
{
b_FillBackColor = 0;
m_Font = 0;
m_DisBackColro = RGB(200, 200, 200);
Set_BackColor(GetSysColor(COLOR_3DFACE));
Set_TextColor(0);
}

CColorText_Static::~CColorText_Static()
{
if(m_Font)
{
m_Font->DeleteObject();
delete m_Font;
}

m_BackBrush.DeleteObject();
m_DisBackBrush.DeleteObject();
}

void CColorText_Static::SetFont(LOGFONT *LogFont, BOOL bRedraw)
{
if(m_Font)
m_Font->DeleteObject();

if(m_Font == NULL)
m_Font = new CFont();

if(m_Font)
{
if(!m_Font->CreatePointFontIndirect( LogFont ))
{
delete m_Font;
m_Font = NULL;
}
}
}

void CColorText_Static::SetFont(CFont* pFont, BOOL bRedraw)
{
LOGFONT LogFont;
pFont->GetLogFont(&LogFont);
SetFont(&LogFont, bRedraw);
}

void CColorText_Static::SetFont(int nHeight, LPCTSTR fontName, BOOL bRedraw)
{
if(m_Font)
m_Font->DeleteObject();

if(m_Font == NULL)
m_Font = new CFont();

if(m_Font)
{
if(!m_Font->CreatePointFont(nHeight, fontName))
{
delete m_Font;
m_Font = NULL;
}
}
if(bRedraw && GetSafeHwnd())
Invalidate();
}

void CColorText_Static::Set_BackColor(COLORREF cr)
{
m_BackColor = cr;
b_FillBackColor = true;

m_BackBrush.DeleteObject();
m_BackBrush.CreateSolidBrush(m_BackColor);

m_DisBackBrush.DeleteObject();
m_DisBackBrush.CreateSolidBrush(m_DisBackColro);

if(GetSafeHwnd())
Invalidate();
}

BEGIN_MESSAGE_MAP(CColorText_Static, CStatic)
//{{AFX_MSG_MAP(CColorText_Static)
ON_WM_CTLCOLOR_REFLECT()
ON_WM_ERASEBKGND()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CColorText_Static message handlers

HBRUSH CColorText_Static::CtlColor(CDC* pDC, UINT nCtlColor)
{
// TODO: Change any attributes of the DC here
pDC->SetBkMode(TRANSPARENT);
pDC->SetTextColor(m_TextColor);

if(m_Font)
pDC->SelectObject(m_Font);

HBRUSH hBrush = (HBRUSH) m_BackBrush;
if(!IsWindowEnabled())
hBrush = (HBRUSH) m_DisBackBrush;
return ( hBrush );
// TODO: Return a non-NULL brush if the parent's handler should not be called 	return NULL;
}

BOOL CColorText_Static::OnEraseBkgnd(CDC* pDC)
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
return TRUE;
return CStatic::OnEraseBkgnd(pDC);
}

//测试代码

//在对话框上添加静态文本框编辑ID为IDC_COLOR_STATIC

// 在头文件里加
#include "ColorText_Static.h"

//关联变量与控件 (在此建立的测试对话框类为CFfDlg)

//FfDlg.h

public:
CColorText_Static m_ColorText;

//FfDlg.cpp
void CFfDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CFfDlg)
DDX_Control(pDX, IDC_COLOR_STATIC, m_ColorText);
//}}AFX_DATA_MAP
}

//初始化控件参数
BOOL CFfDlg::OnInitDialog()
{
CDialog::OnInitDialog();

m_ColorText.Set_BackColor(RGB(255,0,0)); //控件背景色
m_ColorText.Set_TextColor(RGB(0,255,0)); //字体颜色
m_ColorText.SetFont(100, _T("宋体")); //设置显示字体和大小
m_ColorText.SetWindowText(_T("测试控件")); //设置显示内容

return true;
}