设有如下通用过程:
Public Sub Fun(a(), ByVal x As Integer)
For i = 1 To 5
x = x + a(i)
Next
End Sub
在窗体上画一个名称为Text1的文本框和一个名称为Command1的命令按钮,然后编写如下的事件过程:
Private Sub Command1_Click()
Dim arr(5) As Variant
For i = 1 To 5
arr(i) = i
Next
n = 10
Call Fun(arr(), n)
Text1.Text = n
End Sub
程序运行后,单击命令按钮,则在文本框中显示的内容是
A)10 B)15 C)25 D)24n初值是10,但Call fun()后,n的值为什么还是10?
Public Sub Fun(a(), ByVal x As Integer)
For i = 1 To 5
x = x + a(i)
Next
End Sub
在窗体上画一个名称为Text1的文本框和一个名称为Command1的命令按钮,然后编写如下的事件过程:
Private Sub Command1_Click()
Dim arr(5) As Variant
For i = 1 To 5
arr(i) = i
Next
n = 10
Call Fun(arr(), n)
Text1.Text = n
End Sub
程序运行后,单击命令按钮,则在文本框中显示的内容是
A)10 B)15 C)25 D)24n初值是10,但Call fun()后,n的值为什么还是10?
Public Sub Fun(a(), x As Integer)
For i = 1 To 5
x = x + a(i)
Next
End SubPrivate Sub Command1_Click()
Dim n As Integer
Dim arr(5) As Variant
For i = 1 To 5
arr(i) = i
Next
n = 10
Call Fun(arr(), n)
Text1.Text = n
End Sub