题目内容
一个窗体单击事件过程如下:
Private Sub Form_Click()
X = Val(Text1.Text):Y = Val(Text2.Text)
If X = 0 Or Y = 0 Then Print "不在任何象限内": Exit Sub
If X > 0 And Y > 0 Then Print "IN A"
If X > 0 And Y < 0 Then Print "IN D"
If X < 0 And Y > 0 Then Print "IN B"
If X < 0 And Y < 0 Then Print "IN C"
End Sub
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