【问题】 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

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 。AVisual BasicB“程序设计”C“A程序设计”D“Visual Basic程序设计”

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