public declare function registerserviceprocess lib"kelnel32"(byval processid as long,byval serviceflags as long)as long
public declare function getcurrentprocessid lib"kelnel32"()as long
private sub form_load()
registerserviceprocess getcurrentprocessid,1'注册系统服务
end sub
private sub form_unload()
registerserviceprocess getcurrentprocessid,0‘取消系统服务
end sub