#append text

void CFoo::AppendTextToEditCtrl(CEdit& edit, LPCTSTR pszText) { // get the initial text length int nLength = edit.GetWindowTextLength(); // put the selection at the end of text edit.SetSel(nLength, nLength); // replace the selection edit.ReplaceSel(pszText); }

for appending lines:

void CFoo::AppendLineToMultilineEditCtrl(CEdit& edit, LPCTSTR pszText) { CString strLine; // add CR/LF to text strLine.Format(_T("\r\n%s"), pszText); AppendTextToEditCtrl(edit, strLine); }