LPCTSTR strFilter = L"txt文件(*.txt)|*.txt|CSV文件(*.csv)|*.csv|所有文件(*.*)|*.*||";
CFileDialog dlgFile(bOpenFileDialog, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, strFilter, NULL, 0);
關鍵在於下面不能再重複指定lpstrFilter了,否則界面會很奇怪dlgFile.m_ofn.lpstrTitle = title;
dlgFile.m_ofn.lpstrFile = fileName.GetBuffer(_MAX_PATH);