如何建立文件关联\1\Form1.frm ................\.\工程1.vbp ................\.\工程1.vbw ................\2\associate.bas ................\.\associate.frm ................\.\associate.frx ................\.\associate.vbp ................\.\associate.vbw ................\.\sample.log ................\.\说明.txt ................\1 ................\2 如何建立文件关联