使控件背景透明化

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

	if(nCtlColor == CTLCOLOR_STATIC )
	{
		pDC->SetBkMode(TRANSPARENT);//設置背景透明
		return (HBRUSH)::GetStockObject(NULL_BRUSH);
	}
	return hbr;
}

在類中添加OnCtlColor