单击窗体时,下列程序的执行结果是 Private Sub Invert(By Val xstr As String,ystr As String) Dim tempstr AS String Dim I AS Integer I=Len(xstr) Do While I＞=1 tempstr=tempstr + Mid(xstr,I,1) I=I - 1 Loop
单击一次命令按钮之后,窗体中的输出结果为______。 Private Sub Command1_ Click() For i = 1 To 4 x = fun(i) Print x; Next i End Sub Function (n) x = n * n FF = x End SubVBA中定义符号常量可以用关键字______
