set talk off USE student.dbfindex on 考号 to ikhaccept"输入考号:"to khseek kh if .not.found()"无此考号"elsedo casecase 成绩>=85pj="优秀"case 成绩>=75pj="良好"case 成绩>=60pj="不及格"otherwisepj="不及格"endcase"考号"+KH+姓

请问Vf 中的 set talk on/off SET TALK OFF,X=2 ,DO WHILE X VF中,程序开头的SET TALK OFF 　　　　　　　　CLEAR SET TALK OFF 这个语句有什么作用? vfp中set talk off/on和set safety 程序中常用这两句开头和结尾~ set out,set up,set off,set set out,set up,set off,set 帮忙解释一下 SET SYSMENU TO _MSM_SYSTM,_MSM_PROG,_MSM_WINDOPUBLIC mtalkstat,mstatus,mclockstat,color1,color2**检查、设置、保存当前对话状态IF SET(talk)=on SET TALK OFF mtalkstat=onELSE mtalkstat=offENDIFmstatus=offmclocks SET TALK OFF STORE 1 TO A,B DO WHILE A 在vf数据库里,b->或a->是什么意思?recno()的用法?set talk off是什么用法? set talk off和set talk on如何使用提问：我是处在vfp的入门阶段,对set talk命令很是疑惑 如果使用set talk on便打开了与vfp的交互环境,给变量赋值时,其值会显示在屏幕上 如果使用set talk off将关闭人 set talk off clear s=o i=1 最好带中文的 set talk offclears=oi=1do while i set off的过去式 set off啥意思? set off的意思 set off 是什么意思啊? set off什么意思? set...off 什么意思?