【单选题】在窗体中有一个标签Lb1和一个命令按钮Command1,事件代码如下: Option Compare Database Dim a As String*10 Private Sub Command1 Click() a='1234' b=Len(A) Me.Lb1.Caption=b End Sub 打开窗体后单击命令按钮,窗体中显示的内容是( )。
【单选题】窗体中有命令按钮Command1,事件过程如下: Public Function f(x As Integer)As Integer Dim y As Integer x=20 y=2 f=x*Y End Function Private Sub Command 1_Click() Dim y As Integer static x As Integer x=10 y=5 y=f(x) Debug...