Introduction - If you have any usage issues, please Google them yourself
Main source: void CFDlg:: OnChangeEdit1 () (UpdateData () m_strExt.MakeUpper () m_list.ResetContent () if (m_strExt.GetLength () == 0) return CStdioFile sf if (sf.Open (FileExt.txt, Cfile :: modeRead)) (CString strTemp, strOut while (sf.ReadString (strTemp)) (if (strTemp.Left (m_strExt.GetLength ()) == m_strExt) (m_list.AddString (strTemp)))) sf.Close ( ) m_list.SetCurSel (0) this-