[求助]MDI窗体问题
三个form,form1为MDI窗体,form2,form3为form1的子窗体,form2调用form3时,form3就不在是form1的子窗体了,我该怎么设置
2008-10-22 21:14

2008-10-22 21:46
2008-10-22 23:44
2008-10-22 23:58
2008-10-23 08:30
2008-10-23 09:11
2008-10-23 09:11

2008-10-23 09:14
2008-10-23 09:32
2008-10-23 21:39