if(m_strUN!="") { //todo } else { MessageBox("Search text box is empty!", "SearchMessageBox",MB_ICONASTERISK | MB_OK); } and void abc::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); DDX_Text(pDX,IDC_SearchTxtBox,m_strUN); }
m_strUN
var
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