在窗体上画一个名称为Command1的命令按钮,然后编写如下程序: Dim SW As Boolean Function func(X As Inleger)As Integer If X<20 Then Y=X Else Y=20+X End If func=Y End Function Private Sub Command1_Click() Dim intNuln As Integer intNum=InputBox("") If SW Then Print func(intNum) End If End Sub Private Sub Form_MouseDown(Button As Integer,Shift As_ Integer,X As Single,Y As Single) SW=False End Sub Private Sub Form_MouseUp(Button As Integer,Shift As_ Intege,X As Single,Y As Single) SW=True End Sub 程序运行后,单击命令按钮,将显示一个输入对话框,如果在对话框中输入25,则程序的执行结果是( )。
A. 输出0
B. 输出25
C. 输出45
D. 无任何输出