void CTRDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
DDX_Control(pDX, IDC_IPBOX, m_CIPAddressCtrl);
}
if(m_IPAddressCtrl.IsBlank())
{
}
MFC中判断IP地址输入框是否为空
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转载自blog.csdn.net/ONEMOOC/article/details/78400923
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