vb.net会在系统里.net，要想手工删除几乎是不可能的，建议你还是原有的反安装程序来卸载。
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尽量丢掉vb6的习惯,注意对象的作用域及垃圾回收机制,为对象设定适当的范围,如全局对象下面给个示例(从sub main启动):public module sample public sub main() dim frm as new from1("sample form") frm.show windows.forms.application.run() end subend module public class form1 inherts windows.forms.form private btnnew as new windows.forms.button private btnclose as new windows.forms.button public sub new(byval text as string) me.text=text btnnew.text="new form" btnclose.text="exit" btnnew.location=new drawing.point(30,10) btnclose.location=new drawing.point(30,35) me.controls.add(btnnew) me.controls.add(btnclose) addhandler btnnew.click,addressof btnnew_click addhandler btnclose.click,addressof btnclose_click end sub private sub btnnew_click(byval o as object,byval e as eventargs) me.close() dim newform as new form1("new sample form") newform.show() end sub private sub btnclose_click(byval o as object,byval e as eventargs) windows.forms.application.exit() end subend class
load form2 这是加载另外：form2.show是既加载form2 又显示form2，所以不需要写load form2,直接写form2.show要卸载form2就这样： unload form2如果form2正显示在屏幕上则无法卸载，所以如果form2显示在屏幕上就应该这样：form2.hideunload form2~