VC++在子菜单中添加打开文件的历史记录文件，菜单为自动记忆你打开过的文件，方便下次快速打开，示例程序仅以打开TXT格式的文本文件为例，演示如何记录打开的TXT文件记录。-History file, VC++ Add to open the file in a sub-menu, the menu for automatic memory you open the file for next time quickly open the sample program is only open TX