在有些场合，需要快速读取.txt或.rtf文件b并快速显示在列表中，本代码使用RichEdit控件，通过StreamIn等函数简单快速显示大文件数据-In some cases, need to read .txt or .rtf file quickly and displayed in the list quickly, this code uses RichEdit control to load the data from a large file fastly and simpl