在窗体上画两个标签和一个命令按钮,其名称分别为Label1、Label2和Command1,然后编写如下程序:Private Sub func(L As Label,ByVal a As Integer) L.Caption='1234' a=a*aEnd SubPrivate Sub Form_ Load() Label1.Caption='ABCD' Label2.Caption=10End SubPrivate Sub Command1_Click() a=Val(Label2.Caption) Call func (Label1,a)Label2.Caption=aEnd Sub 程序运行后,单击命令按钮,在两个标签Label1和Label2中显示的内容分别是______。A.ABCD和10B.1234和100C.ABCD和100D.1234和10
A.Caption='1234'
B.Caption='ABCD'
C.Caption=10End
D.Caption)
E.Caption=aEnd
F.ABCD和10
B.1234和100
C.ABCD和100