【单选题】【消耗次数:1】
若要清除列表框所有项目,则可使用的方法是()。
Add
Clear
AddItem
Remove
参考答案:
复制
纠错
相关题目
【单选题】 若要向列表框新增列表项,则可使用的方法是?
①  Add
②  Remove
③  Clear
④  AddItem
【单选题】 为了清除列表框中的所有内容,应使用的方法是?
①  Clear
②  Remove
③  RemoveItem
④  Cls
【判断题】 可以通过Clear来删除列表框中的选中的项目。
①  正确
②  错误
【判断题】 Visual Basic提供了列表框控件,当列表框中的项目较多、超过了列表框的长度时,系统会自动在列表框边上加一个滚动条。
①  正确
②  错误
【单选题】 若要获得列表框中列表项的数目,可通过访问( )来实现。
①  List
②  ListIndex
③  ListCount
④  Text
【判断题】 若要使标签透明,则可使用属性BackColor。
①  正确
②  错误
【判断题】 列表框Columns属性可以用来设置列表框多列显示。
①  正确
②  错误
【判断题】 在窗体设计中,因为列表框占用的空间比组合框要少一些,因此列表框使用得更多一些。
①  正确
②  错误
【单选题】 为了使drive11驱动器列表框、dir1目录路径列表框和file1文件列表框能同步协调工作,需要在()。
①  drive1的Change事件过程中加入drive1.Drive=dir1.Path,在dir1的Change事件过程中加入dir1.Path=file1.Path代码
②  drive1的Change事件过程中加入dir1.Path=drive1.Drive,在dir1的Change事件过程中加入file1.Path=dir1.Path代码
③  dir1的Change事件过程中加入dir1.Path=drive1.Drive.Drive,在file1的Click事件过程中加入file1.Path=file1.FileName代码
④  dir1的Change事件过程中加入dir1.Path=drive1.Drive,在file1的Click事件过程中加入file1.Path=dir1.Path代码
【单选题】 列表框中的列表内容是通过()属性来设置的。
①  List
②  Columns
③  Text
④  Index
随机题目
【单选题】 I __________ going to the doctor, but I wish I hadn’t.
①  pick out
②  make out
③  give off
④  put off
【单选题】 I can be a teacher. I’m not a very patient person.
①  seldom
②  ever
③  never
④  always
【单选题】 I remember _______ you the story last night.
①  telling
②  told
③  to tell
④  have told
【单选题】 Not __________, with youth unemployment so high, some school – leavers with qualifications fail to find jobs.
①  obviously
②  surprisingly
③  particularly
④  normally
【单选题】 I’ll send you a short message as soon as I _______ in Hong Kong.
①  arrived
②  will arrive
③  am going to arrive
④  arrive
【单选题】 Good morning, Dr Johnson’s office. Can I help you?
①  Speaking, please
②  I’d like to make an appointment, please
③  Yes, go on
④  No, you can’t
【单选题】 The population of many Alaskan cities has __________ doubled in the past three years.
①  larger than
②  as great as
③  more than
④  as many as
【单选题】 The match was cancelled because most of the members __________ a match without a standard court.
①  objected to having
②  objected to have
③  were objected to have
④  were objected to having
【单选题】 - Shall we sit up here on the grass or down there near the water?
①  I’d rather stay here if you don’t mind
②  Sorry, I don’t like neither
③  Certainly, why not?
④  Yes, we like these two places
【单选题】 He said he would continue a support us _____ we didn’t break the rules.
①  as well as
②  as soon as
③  as far as
④  as long as