该过程的功能是弹出一个菜单
popForm是在菜单编辑器中定义的弹出式菜单的名称
参数X、Y指明鼠标的当前位置
Button=2表示按下的是鼠标左键
第1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 Then Print “AAAAA” End If End Sub Private 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.AAAAA BBBBB
B.BBBBB
C.AAAAA
D.BBBBB AAAAA
第2题:
( 25 )要求当鼠标在图片框 P1 中移动时,立即在图片框中显示鼠标的位置坐标。下面能正确实现上述功能的事件过程是
A )
Private Sub P1_MouseMove ( Button AS Integer,Shift As Integer,X As Single,
Y As Single )
Print X,Y
End Sub
B )
Private Sub P1_MouseDown ( Button AS Integer,Shift As Integer,X As Single,
Y As Single )
Picture.Print X,Y
End Sub
C )
Private Sub P1_MouseMove ( Button AS Integer,Shift As Integer,X As Single,
Y As Single )
P1.Print X,Y
E n d S u b
D )
Private Sub Form_MouseMove ( Button AS Integer,Shift As Integer,X As Single,
Y As Single )
P1.Print X,Y
End Sub
第3题:
执行下列程序后,鼠标单击窗体,输出结果为 。
Private Sub Form_Click()
Print "Click";
End Sub
Private Sub Form_MouseDown(Button As Integer, Shift _
As Integer, X As Single, Y As Single)
Print "Donw"
End Sub
Private Sub Form_MouseUp(Button As Integer, Shift _
As Integer, X As Single, Y As Single)
Print " Up"
End Sub( )。
A.DownUpClick
B.ClickDownUp
C.DownClickUp
D.UpDownClick
第4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 if 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
第5题:
设已经在菜单编辑器中设计了窗体的快捷菜单,其顶级菜单为Bt,取消其“可见”属性,运行时,在以下事件过程中,可以使快捷菜单相应鼠标右键菜单的是
A.Private Sub Form_MouseDown(Button As Integer, Shift As Integer,_ X As Single, Y As Single) If Button=2 Then PopupMenu Bt, 2 End Sub
B.Private Sub Form_MouseDown(Button As Integer, Shift As Integer, _ X As Single, Y As Single) PopupMenu Bt End Suh
C.Private Sub Form. MouseDown(Button As Integer, Shift As Integer, _ X As Single, Y As Single) PopupMenu Bt,0 End Sub
D.Private Sub Form_MouseDown(Button As Integer, Shift As Integer, _ X As Single, Y As Single) If (Button=vbLeftButton) Or ( Button=vbRightButton) Then PopupMenu Bt End Sub
第6题:
假定已经在菜单编辑器中建立了窗体的弹出式菜单,其顶级菜单项的名称为a1,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 Button=2 Then PopupMenu a1 End If End Sub
B.Private Sub Form_MouseDown(Button As Integer,_ Shift As Integer,X As Single,Y As Single) PopupMenu a1 End Sub
C.Private Sub Form_MousoDown(Button As Integer,_ Shift As Integer,X As Single,Y As Single) If Button=1 Then PopupMenu a1 End If End Sub
D.Private Sub Form_MouseDown(Button As Integer,_ Shift As Integer,X As Single,Y As Single) If Buaon=2 Then PopupMenu a1 End If End Sub
第7题:
下面程序是由鼠标事件在窗体上画图,如果按下鼠标可以画图,双击窗体则可以清除所画图形。补充完整下面的程序。首先在窗体层定义如下变量:
Dim PaintStart As Boolean
编写如下事件过程:
Private Sub Form_Load()
DrawWidth=2
ForeColor=vbGreen
End Sub
Private Sub Form_MouseDown(Button As Integer,Shift As Integer,X AS Single,Y AS Single)
PaintStart=True
End Sub
Private Sub Form_MouseMove(Button As Integer,Shift As Integer,X As Single,Y As Single)
If PaintStart Then
PSet(X,Y)
End If
End Sub
Private Sub Form_MouseUp(Button As Integer,Shift As Integer,X As Single,Y As Single)
End Sub
Private Sub Form_DblClick()
Cls
End Sub
第8题:
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 Shift=6 And Button=2 Then
Print "PC"
End If
End Sub
程序运行后,为了在窗体上输出"PC",应执行的操作为( )。
A.同时按下Shift键和鼠标左键
B.同时按下Ctrl,Alt键和鼠标右键
C.同时按下Shift键和鼠标右键
D.同时按下Ctrl,Alt键和鼠标左键
第9题:
设已经在“菜单编辑器”中设计了窗体的快捷菜单,其顶级菜单为Bs,取消其“可见”属性,运行时,在以下事件过程中,可以使快捷菜单响应鼠标右键菜单的是
A.Private Sub Form_MouseDown(Button As Integer,Shift As Integer,_X As Single,Y As Single) If Button=2 Then PopupMenu Bs,2 End Sub
B.Private Sub Form_MouseDown(Button As Integer,Shift As Integer,_X As Single,Y As Single) PopupMenu Bs End Sub
C.Private Sub Form_MouseDown(Button As Integer,Shift As Integer,_X As Single,Y As Single) PopupMenu Bs,0 End Sub
D.Private Sub Form_MouseDown(Button As Integer,Shift As Integer,_X As Single,Y AS Single) If(Button=vbLeftButton)Or(Button=vbRightButton)Then PopupMenu Bs End Sub
第10题:
编写了如下事件过程: Private Sub Form_MouseDown(KeyCode As Integer,Shift As Integer) If (Button And 3)=3 Then Print"AAAA" End If End Sub 程序运行后,为了在窗体上输出“AAAA”,应按下的鼠标键是
A.左
B.右
C.同时按下左和右
D.按什么键都不显示