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.h : header file#pragma once/////////////////////////////////////////////////////////////////////////////// CColorText_Static windowclass CColorText_Static : public CStatic{// Attributesprivate: BOOL b_FillBackColor;COLORREF m_DisBackColro; COLORREF m_BackColor; COLORREF m_TextColor; CFont *m_Font; CBrush m_BackBrush; CBrush m_DisBackBrush;// Constructionpublic: CFont *GetFont() { return m_Font; }CColorText_Static(); virtual void SetFont(LOGFONT *LogFont, BOOL bRedraw = TRUE);virtual void SetFont(CFont* pFont, BOOL bRedraw = TRUE); virtual void SetFont(int nHeight, LPCTSTR fontName, BOOL bRedraw = true); void Set_BackColor(COLORREF cr); COLORREF Get_BackColor() { return(m_BackColor); }; void Set_TextColor(COLORREF cr) { m_TextColor = cr; if(GetSafeHwnd()) Invalidate(); } COLORREF Get_TextColor() { return(m_TextColor); }// Attributespublic:// Operationspublic:// Overrides// ClassWizard generated virtual function overrides//{{AFX_VIRTUAL(CColorText_Static)//}}AFX_VIRTUAL// Implementationpublic:virtual ~CColorText_Static();// Generated message map functionsprotected://{{AFX_MSG(CColorText_Static)afx_msg HBRUSH CtlColor(CDC* pDC, UINT nCtlColor);afx_msg BOOL OnEraseBkgnd(CDC* pDC);//}}AFX_MSGDECLARE_MESSAGE_MAP()};/////////////////////////////////////////////////////////////////////////////

 

// ColorText_Static.cpp : implementation file//#include "stdafx.h"#include "ColorText_Static.h"#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE[] = __FILE__;#endif/////////////////////////////////////////////////////////////////////////////// CColorText_StaticCColorText_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_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// CColorText_Static message handlersHBRUSH 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.hpublic: CColorText_Static m_ColorText;//FfDlg.cppvoid 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;}