在窗体上创建一个名称为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_KeyDown(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()。