设窗体上有一个名为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，如果在文本框中输入字母“a”，然后单击窗体，则在窗体上显示的内容是______。

A． Visual Basic

B．程序设计

C．Visual Basic程序设计

D．a程序设计

[单选题]设窗体上有一个名为Text1的文本框，并编写如下程序：Private Sub Form_Load() Show Text1.Text="" Text1.SetFocusEnd SubPrivate Sub Form_MouseUp(Button As Integer，_Shift As Integer,X As Single,Y As Single） Print"程序设计"End SubPrinvate Sub Text1_KeyDown(KeyCode As Integer,Shift

[单选题]设窗体上有一个名为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，Sh

[单选题]设窗体上有一个名为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 Sinqle) Print"程序设计" End Sub Private Sub Text1_Keynown(KeyCode As Integ

[单选题]设窗体上有一个名为Text1的文本框，并编写如下程序：Private Sub Form_Load（）ShowText1.Text = ""Text1.SetFocusE．nd SubPrivate Sub Form_MouseUp（Button As Integer, _Shift As Integer, X As Single, Y As Single）Print "程序设计"E．nd SubPrivate Sub Text1_KeyDown（KeyCode As Integer, S

[单选题]窗体上添加一个文本框Text1，编写如下代码： Private Sub Text1_KeyDown(KeyCode As Integer, Shift As Integer) Print Chr(KeyCode+5) & KeyCode End Sub 程序运行时，在文本框中输入“ab”，则在窗体上输出为( )。A．F65 G66B．F65 F66C．G66 F65D．G65 G66

[单选题]窗体上添加一个文本框Text1，编写如下代码： Private Sub Text1_KeyDown(KeyCode As Integer，Shift As Integer) Print Chr(KeyCode+5)&KeyCode End sub 程序运行时，在文本框中输入“ab”，则在窗体上输出为( )。A．F65 G66B．F65 F66C．G66 F65D．G65 G66

[单选题]在窗体上画—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,

[单选题]在窗体上画—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

[单选题]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 Phvate Sub Form_MouseUp(Buuon As Integer,Shift As Integer,X As Single，Y As Single) Phnt“程序设计” End Sub Private Sub Textl_KeyDowA．Visual BasicB．程序设计C．A程序设计D．

[单选题]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 Pfivate Sub Form_MouseUp(BuHon 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，shi