Private Sub Form Load() Show Text1.Text="" Text1.SetFocus End Sub Pfivate Sub Form_MouseUpBuHonAs Integer,ShiftAs Integer,XAs Single,YAs Single) Print“程序设计” End Sub Private Sub Text1_KeyDown(KeyCodeAs Integer,shiftAs Integer) Print"Visua1Basic"; 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 A.VisualBasic B.程序设计 C.A程序设计 D.VisualBasic程序设计