题目内容:
在窗体上有一个命令按钮Command1和一个文本框Text1,编写事件代码如下:Private Sub Command1_Click(.
Dim i, j, x
For i = 1 To 20 Step 2
x = 0
For j = i To 20 Step 3
x = x + 1
Next j
Next i
Text1.Value = Str(x.
End Sub
打开窗体运行后,单击命令按钮,文本框中显示的结果是 A.1
B.7
C.17
D.400
参考答案:
答案解析: