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在对象的MouseDown和MouseUp事件过程中,参数Button的值为1、2、4时,分别代表按下鼠标的左键、 [5] 和 [6] 按钮。
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更多 “ 在对象的MouseDown和MouseUp事件过程中,参数Button的值为1、2、4时,分别代表按下鼠标的左键、 [5] 和 [6] 按钮。 ” 相关考题
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假定已经在菜单编辑器中建立了窗体的弹出式菜单,其顶级菜单的名称为al,其“可见”属性为False。程序运行后,单击鼠标左键或右键都能弹出菜单的事件过程是( )。A.Private Sub Form_MouseDown(Button As Integer,_Shift As Integer,X As Single, Y As Single) If Button=1 And Blltton=2Then PopupMenu a1 End If End SubB.Private Stlb Form_MouseDown(Button As Integer,_Shift As Integer,X As Single, Y As Single) PopupMenu a1 End SubC.Private Sub Form—MouseDown(Button As Integer,_Shift As Integer,X As Single, Y As Single) If Button=1 Then PopupMenu a1 End If End SubD.Private Sub Form. MouseDown(Button As Integer,_Shift As Integer,X As Single, Y As Single) If Buttcn=2 Then PopupMenu a1 End If End Sub
考题
假定编写了如下事件过程: Private Sub Form_MouseDown(Button As Integer,Shift As Integer,X As Single, Y As Single) If Button=2 Then Print "aaaa" End If End Sub 程序运行后,为了在窗体上输出“AAAA”,应按下的鼠标键为A.左键B.右键C.同时按下左、右键D.按什么键都不显示
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下面关于鼠标事件描述不正确的是()A、利用鼠标事件可以跟踪鼠标的操作,判断按下的是哪一个鼠标键B、Click、DbClick、MouseMove、MouseUp和MouseDown都是鼠标事件C、MouseMove是鼠标在对象内滚动时触发的D、鼠标必须一个对象的边界范围内时,另一个对象也可以接收MouseMove事件
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假定有如下事件过程: Private Sub Form_MouseDown(Button as Integer,Shift as Integer, X as Single,Y as Single) If Button=2 Then PopupMenu PopForm End Sub 则以下描述中错误的是( )。A、该过程的功能是弹出一个菜单B、popForm是在菜单编辑器中定义的弹出式菜单的名称C、参数X、Y指明鼠标的当前位置D、Button=2表示按下的是鼠标左键
考题
单选题窗体的MouseUp事件过程如下:Private Sub Form_MouseUp(Button As Integer, Shift As Integer, X As Single,Y As Single)……End Sub关于以上定义,以下叙述中错误的是( )。A
根据Shift参数,能够确定使用转换键的情况B
根据X、Y参数可以确定触发此事件时鼠标的位置C
Button参数的值是在MouseUp事件发生时,系统自动产生的D
MouseUp是鼠标向上移动时触发的事件
考题
单选题假定有如下事件过程: Private Sub Form_MouseDown(Button as Integer,Shift as Integer, X as Single,Y as Single) If Button=2 Then PopupMenu PopForm End Sub 则以下描述中错误的是( )。A
该过程的功能是弹出一个菜单B
popForm是在菜单编辑器中定义的弹出式菜单的名称C
参数X、Y指明鼠标的当前位置D
Button=2表示按下的是鼠标左键
考题
单选题对窗体编写如下事件过程: Private Sub Form_MouseDown(Button As Integer,Shift As Integer,X As Single Y As Single) If Button=2 ThenPrint"AAAAA"End IfEnd SubPrivate Sub Form_MouseUp(Button As Integer,Shift As Integer,X As Single,Y As Single) Print"BBBBB" End Sub程序运行后,如果单击鼠标右键,则输出结果为()A
AAAAAB
BBBBBC
AAAAA CR BBBBB(其中CR表示回车和换行)D
BBBBB CR AAAAA
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