HBrush用法

HBRUSH hbr;

第一种: hbr= CreateSolidBrush(RGB(255,0,0));    //单色的画刷

第二种: hbr= (HBRUSH)GetStockObject(BLACK_BRUSH);  //只能取特定颜色的画刷,如BLACK_BRUSH,GRAY_BRUSH等刷

第三种: hbr= CreatePatternBrush(HBITMAP hbmp);    //得到位图画刷

第四种: hbr = CreateHatchBrush(int fnStyle, COLORREF clrref)    //创建一种带阴影的画刷

第五种: hbr= CreateBrushIndirect(LOGBRUSH);     //通过LOGBRUSH结构体来取画刷
   

typedef struct tagLOGBRUSH {
    UINT         lbStyle; //画刷类型
    COLORREF lbColor; //颜色
        LONG         lbHatch; //阴影
} LOGBRUSH, *PLOGBRUSH;

第六种: hbr= HBRUSH CreateDIBPatternBrush(       //通过与设备无关位图创建一个画刷
        HGLOBAL hglbDIBPacked,      // handle to DIB
     UINT fuColorSpec        // color table data
      );

例如：

HBRUSH CAfdView::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
HBRUSH hbr = CFormView::OnCtlColor(pDC, pWnd, nCtlColor);

// TODO: Change any attributes of the DC here
if (pWnd->GetDlgCtrlID()==IDC_STATIC1)
{
    pDC->SetTextColor(RGB(200,0,0));
    pDC->SetBkColor(RGB(0,0,255));
  static HBRUSH hBrush = CreateSolidBrush(RGB(222,0,255));
  return hBrush;
}
        // TODO: Return a different brush if the default is not desired
else
  return hbr;
}

改变对话框背景色

HBRUSH CDqfDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);

// TODO: Return a different brush if the default is not desired
if(nCtlColor == CTLCOLOR_DLG)
   {
   CBrush *brush;
    brush = new CBrush(RGB(221,221,221));
   return (HBRUSH)(brush->m_hObject);
   }
return hbr;
}

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