单项选择题

在窗体上画一个名称为Text1的文本框，并编写如下程序：
Private Sub Form_Load( )
Show
Text1. Text = " "
Text1. SetFocus
End Sub
Private Sub Form_MouseUp(Button As Integer, Shift As Integer, X As Single, Y _
As Single)
Print "程序设计"
End Sub
Private Sub Text1_Ke!tDown(KeyCode As Integer,Shift As Integer)
Print "Visual Basic";
End Sub
程序运行后，如果按A键，然后单击窗体，则在窗体上显示的内容是 ______。

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