CBrush m_brush;//建立畫刷

m_brush.CreateSolidBrush(RGB(155, 170, 190));//設定畫刷的顏色

//新增訊息處理函式
HBRUSH CMFCADlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
	HBRUSH hbr = CDialogEx::OnCtlColor(pDC, pWnd, nCtlColor);

	if (nCtlColor == CTLCOLOR_DLG)
	{
		return m_brush;
	}

	if (nCtlColor == CTLCOLOR_STATIC)
	{
		pDC->SetTextColor(RGB(0, 0, 0));
		pDC->SetBkColor(RGB(155, 170, 190));
		hbr = (HBRUSH)m_brush;
	}

	// TODO:  在此更改 DC 的任何特性
	if (nCtlColor == CTLCOLOR_EDIT &&
		pWnd->GetDlgCtrlID() == IDC_EDIT1)//注意此處的（pWnd->），否則沒效果
	{
		pDC->SetTextColor(RGB(255, 0, 0));
		//pDC->SetBkColor(RGB(155, 170, 190));//設定文字背景色
		pDC->SetBkMode(TRANSPARENT);//設定背景透明
		hbr = (HBRUSH)m_brush;
	}
	// TODO:  如果預設的不是所需畫筆，則返回另一個畫筆
	return hbr;
}