[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fL-UwuQlYMLvktr0IcRWc5QcoMN29krlzCQ3kuiuKFB0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":22,"type":23},[],"2023-05-19 01:59:58",17181900,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},19,"88e110f08587f5ca277ce7b6dc748350","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F649c2c594f8729a6bbece85ac463efee.jpg","VB语言程序设计-2023","97d4bf30417743ae82739e6f78f924fa","第十二周测试题目","窗体设计如下图,编写应用程序,在文本框中输入系别,单击"添加"按钮把输入的系别名称添加到列表框末尾;在列表框中选择要删除的系别,单击"删除"按钮,把需要删除的系别名称删除;单击"全部清除"按钮,把列表框中的所有系别名称清空",[17,24,27,32,42,51,60,69,76,85],{"answer":18,"createTime":5,"id":19,"options":20,"question":21,"source":22,"type":23},[],17181899,[],"窗体设计如下图,编写应用程序.在窗体中添加图片框名字为picture1,添加垂直滚动条和水平滚动条,名字分别为VScroll1和HScroll1.通过改变垂直滚动条和水平滚动条滑块的位置来调整图片的高度和宽度","v1",2,{"answer":25,"createTime":5,"id":6,"options":26,"question":15,"source":22,"type":23},[],[],{"answer":28,"createTime":5,"id":29,"options":30,"question":31,"source":22,"type":23},[],17181901,[],"在窗体上添加如下的控件:一个组合框控件combo1,内容为空,样式如图所示;三个命令按钮command1~command3,标题分别为"添加"和"删除一本"和"全部删除".\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcc5042d19f200f029b76afc46f2ce55e.png\">要求:窗体加载时,combo1中自动生成三个项目,分别为"计算机基础"、"程序设计"、"网页设计".程序代码如下:Private Sub Command1_Click",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":22,"type":41},[],17181902,[36,37,38,39],"单击滚动条的滚动框和滚动箭头之间的区域时,滚动条控件Value属性值的改变量","滚动条中滚动块的最大移动位置","滚动条中滚动块的最大移动范围","滚动条控件无该属性","滚动条控件的LargeChange属性所设置的是( )",0,{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":22,"type":41},[],17181903,[46,47,48,49],"单击滚动条上的滚动箭头时,Value属性的变化量为20","拖动滚动条上滚动框时,Value属性的变化量为20","单击滚动条上的滚动箭头与滚动框之间的空白处时,Value属性的变化量为20","滚动条的最小改变值为20","设置滚动条控件的SmallChange属性的值为20,它表示的含义为( )",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":22,"type":41},[],17181904,[55,56,57,58],"Scroll","KeyDown","Change","Dragover","单击滚动条两端的箭头,将触发该滚动条的( )事件",{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":22,"type":41},[],17181905,[64,65,66,67],"Text1.FontName= HScroll1.Max","Text1.FontSize= HScroll1.Min","Text1.FontSize= HScroll1.Value","Text1.FontBold= HScroll1.Value","在窗体上画一个水平滚动条,名称为HScroll1;再画一个文本框,名称为Text1.要想使滚动条滑块的变化量来改变文本框中文字的大小,则可使用语句( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":75,"source":22,"type":41},[],17181906,[55,73,74,57],"Getfocus","Move","当拖动滚动块并松开鼠标后,将触发滚动条的____事件",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":22,"type":41},[],17181907,[80,81,82,83],"Listindex","listCount-1","ListCount","AddItem","使用( )属性,可取得列表框中的项数",{"answer":86,"createTime":5,"id":87,"options":88,"question":92,"source":22,"type":41},[],17181908,[89,90,91,83],"Clear","RemoveItem","Print","使用( )方法,可将选中项移出列表框"]