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Popup为()。
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更多 “Popup为()。” 相关考题
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为取名为MenuColor的菜单项添加标记的语句是______。A.MenuColor,Popup=TrueB.MenuColor.Enabled=TrueC.MenuColor.Visible=TrueD.MenuColor.Checked=True
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在MIDP中,代表List为多选方式的常数标识符是()
A. Choice, MULTIPLEB. Choice, IMPLICITC.Choice. EXCLUSIVED.Choice.POPUP
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本题的功能是用复选按钮来控制鼠标右键的弹出菜单是否弹出。窗口中有一个复选按钮“弹出菜单”,如果选中该复选按钮后,鼠标置于窗口上,单击鼠标右键会弹出一个菜单,单击菜单项中的选项后,后台会输出单击的菜单项,如果取消该复选按钮的选择,单击鼠标右键则不能弹出菜单。import java.awt.*;import java.awt.event.*;class CanvasWithPopup extends Canvas{Popupmenu popup;CanvasWithPopup(PopupMenu popup){enableEvents(AWTEvent.MOUSE EVENTMASK):this.popup=popup;}void addPopup(){add(popup);}void removePopup(){remove(popup);}protected void processMouseEvent(MouseEventevt){if(popup.getParent()!=null&;&;evt.isPop-upTrigger()){popup.show(evt.getComponent(),evt.getX(),evt.getY());}super.processMouseEvent(evt);}}public class java3 extends Frame. implements Item-Listener,ActionListener{Checkbox cb=new Checkbox("弹出菜单",false);CanvasWithPopup canvas;java3(){super("java3");addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){System.exit(0);}});add(cb,BorderLayout.NORTH);cb.addhemListener(this);PopupMenu popup=new PopupMenu("ButtonControl"):popup.add("iteml");popup.add("item2");popup.addActionListener(this);canvas=new CanvasWithPopup(popup);add(canvas,BorderLayout.CENTER);setSize(100,200);show();}
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会客时上座位置排列的几个要点是()A、面门为上、以右为上、居中为上、前排为上、以远为上B、面门为下、以左为上、居中为上、前排为上、以远为上C、面门为上、以左为上、居中为上、后排为上、以远为上D、面门为上、以右为上、居中为上、前排为上、以近为上
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干燥器的四个电磁阀的编号为:()A、后排左为1,右为2,前排左为3,右为4B、前排左为1,右为2,后排左为3,右为4C、后排右为1,左为2,前排左为3,右为4D、后排右为1,左为2,前排右为3,左为4
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jim has created a field hint for the address field. Users tell him this text disappears when they click in the address field. which one of the following is most likely reason?()A、 the address field is computed B、 jim should have used a text popup C、 jim stored the field hint in the database D、 field hint only display when the user has not clicked in the field (field hint)
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单选题以下关于弹出式菜单的叙述中,错误的是( )。A
一个窗体只能有一个弹出式菜单B
弹出式菜单在菜单编辑器中建立C
弹出式菜单的菜单名(主菜单项)的“可见”属性通常设置为FalseD
弹出式菜单通过窗体的Popup Menu方法显示
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单选题jim has created a field hint for the address field. Users tell him this text disappears when they click in the address field. which one of the following is most likely reason?()A
the address field is computed B
jim should have used a text popup C
jim stored the field hint in the database D
field hint only display when the user has not clicked in the field (field hint)
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单选题会客时上座位置排列的几个要点是()A
面门为上、以右为上、居中为上、前排为上、以远为上B
面门为下、以左为上、居中为上、前排为上、以远为上C
面门为上、以左为上、居中为上、后排为上、以远为上D
面门为上、以右为上、居中为上、前排为上、以近为上
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单选题比较正规的场合乘坐轿车时()。A
后排座为上,前排座为下;以左为上,以右为下B
后排座为上,前排座为下;以右为上,以左为下C
前排座为上,后排座为下;以左为上,以右为下D
前排座为上,后排座为下;以右为上,以左为下
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单选题子钟内部出来的4芯对接线为信号线,线缆的颜色定义为()A
红色为T+,黄色为T-,绿色为R+,蓝色为R-B
红色为T-,黄色为T+,绿色为R+,蓝色为R-C
红色为T+,黄色为T-,绿色为R-,蓝色为R+D
红色为T-,黄色为T+,绿色为R-,蓝色为R+
考题
填空题Popup为()。
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