虽然不用MFC来开发,但是客户还是让我们用MFC,

不多说,

继承CButton重新实现类

#pragma once
#include "afxwin.h"

class CMyButton : public CButton
{
//DECLARE_DYNAMIC(CMyButton)
public:
CMyButton();
virtual ~CMyButton();
//设置Button Down的背景颜色
void SetDownColor(COLORREF color);
//设置Button Up的背景颜色
void SetUpColor(COLORREF color);
BOOL Attach(const UINT nID, CWnd* pParent);
void Updata_Ui();
protected:

//必需重载的函数
virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);

public:
//三种颜色分别为文字,Button Down的背景颜色,Button Up的背景颜色
COLORREF m_TextColor, m_DownColor, m_UpColor;

DRAWITEMSTRUCT P_Draw;
};

 

#include "StdAfx.h"
#include "CMyButton.h"

CMyButton::CMyButton(void)
{
m_DownColor = m_UpColor = RGB(0,0,0);
}

CMyButton::~CMyButton(void)
{
}


//CMyButton是CButton派生类,具有CButton的全部成员函数,

//但在创建时需要使用BS_OWNERDRAW风格。

//如果按钮不是动态生成,使用Attach函数使CMyButton代替原来按钮的窗口过程。

BOOL CMyButton::Attach(const UINT nID, CWnd* pParent)
{
//GetDlgItem(nID)->ModifyStyle(0,BS_OWNERDRAW,0);

if (!SubclassDlgItem(nID, pParent))
return FALSE;

return TRUE;
}

void CMyButton::SetDownColor(COLORREF color)
{
m_DownColor = color;
}

void CMyButton::SetUpColor(COLORREF color)
{
m_UpColor = color;
}

void CMyButton::Updata_Ui()
{
CRect rect;
GetWindowRect(rect);
ScreenToClient(rect);
InvalidateRect(rect);
}

void CMyButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
// TODO: Add your code to draw the specified item
CDC dc;
dc.Attach(lpDrawItemStruct->hDC);//得到绘制的设备环境CDC
VERIFY(lpDrawItemStruct->CtlType==ODT_BUTTON);
P_Draw = *lpDrawItemStruct;

// 得当Button上文字,这里的步骤是:1,先得到在资源里编辑的按钮的文字,

//然后将此文字重新绘制到按钮上,
//同时将此文字的背景色设为透明,这样,按钮上仅会显示文字

const int bufSize = 512;
TCHAR buffer[bufSize];
GetWindowText(buffer, bufSize);

int size=strlen(buffer); //得到长度
DrawText(lpDrawItemStruct->hDC,buffer,size,&lpDrawItemStruct->rcItem,DT_CENTER|DT_VCENTER|DT_SINGLELINE|DT_TABSTOP); //绘制文字
SetBkMode(lpDrawItemStruct->hDC,TRANSPARENT); //透明


if (lpDrawItemStruct->itemState &ODS_SELECTED) //当按下按钮时的处理
{//
//重绘整个控制
CBrush brush(m_DownColor);
dc.FillRect(&(lpDrawItemStruct->rcItem),&brush);//

//因为这里进行了重绘,所以文字也要重绘
DrawText(lpDrawItemStruct->hDC,buffer,size,&lpDrawItemStruct->rcItem,DT_CENTER|DT_VCENTER|DT_SINGLELINE|DT_TABSTOP);
SetBkMode(lpDrawItemStruct->hDC,TRANSPARENT);
}
else //当按钮不操作或者弹起时
{
CBrush brush(m_UpColor);
dc.FillRect(&(lpDrawItemStruct->rcItem),&brush);//

//同上,进行重绘文字
DrawText(lpDrawItemStruct->hDC,buffer,size,&lpDrawItemStruct->rcItem,DT_CENTER|DT_VCENTER|DT_SINGLELINE|DT_TABSTOP);
SetBkMode(lpDrawItemStruct->hDC,TRANSPARENT);
}

if ((lpDrawItemStruct->itemState &ODS_SELECTED)&&(lpDrawItemStruct->itemAction &(ODA_SELECT| ODA_DRAWENTIRE)))
{ //选中了本控件,高亮边框
COLORREF fc=RGB(255-GetRValue(m_UpColor),255-GetGValue(m_UpColor), 255- GetBValue(m_UpColor));//
CBrush brush(fc);//
dc.FrameRect(&(lpDrawItemStruct->rcItem),&brush);//

}
if (!(lpDrawItemStruct->itemState & ODS_SELECTED) &&(lpDrawItemStruct->itemAction & ODA_SELECT))
{
//控制的选中状态结束,去掉边框
CBrush brush(m_UpColor);
dc.FrameRect(&lpDrawItemStruct->rcItem,&brush);//

}
dc.Detach();//
}

使用方法

CMyButton *m_MyButton=new CMyButton();
m_MyButton->Create(_T(str_title), WS_VISIBLE | WS_CHILD,
CRect(100, 100, 200, 200),
this, m_MyButton_ID);//动态创建
GetDlgItem(m_MyButton_ID)->ModifyStyle(0,BS_OWNERDRAW,0);
m_MyButton->Attach(m_MyButton_ID, m_MyButton);
m_MyButton->SetDownColor(RGB(255,0,0));
m_MyButton->SetUpColor(RGB(0,0,255));
m_MyButton->Updata_Ui();//更新颜色

效果:

MFC重绘按钮背景_背景颜色