文本框Text1的KeyDown事件过程如下： Private Sub Text 1_KeyDown(KeyCode As Integer,Shift As Integer) … End Sub 其中参数KeyCode的值表示的是发生此事件时( )。

A．是否按下了＜Alt＞键或＜Ertl＞键

B．按下的是哪个数字键

C．所按的键盘键的键码

D．按下的是哪个鼠标键

[单选题]对文本框Text1编写如下事件过程：Private Sub Text1_KeyPress(KeyAscii As Integer)D．im b As Stringb = Chr(KeyAscii)KeyAscii = Asc(UCaseB、)E．nd Sub运行时，下列叙述正确的是( )。A． Text1中无法输入字符B． Text1中内容为"b"C． Text1中输入的字符都变为大写D． Text1中输入的字符都被转换成ASCII码

[单选题]设在窗体上有个文本框，然后编写如下的事件过程：Private Sub Text1_KeyDown(KeyCode As Integer，Shift As Integer)C．onst Alt=4C．onst Key_F2=&H71altdown%=(Shift And Alt)＞0f2down%=(KeyCode=Key_F2)If altdown% And f2down% ThenText1.Text="BBBBB"E．nd IfE．nd Sub上述程序运行后，如果按“Shift+

[单选题]设在窗体上有个文本框,然后编写如下的事件过程Private Sub Text1_KeyDown(KeyCode As Integer, Shift As Integer)C．onst Alt=4C．onst Key_F2=&H71altdown%=(Shift And Alt) > 0f2down%=(KeyCode=Key_F2)If altdown% And f2down% ThenText1.Text="BBBBB"E．nd IfE．nd Sub上述程序运行后,如果按(S

[单选题]设在窗体上有个文本框，然后编写如下的事件过程。 Private Sub Text1_KeyDown(KeyCode As Integef，Shift As Integer) Const Alt=4 ConstKey_F2=&H71 altdown%=(Shift And Alt)＞0 f2down%=(KeyCode=Key_F2) If altdown% And f2down% Then Text1.Text= "BBBBB" End If End Sub 上述程序运行后，如果按[

[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]窗体上添加一个文本框Text1，编写下列代码： 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]在窗体上画一个文本框，然后编写如下事件过程： Private Sub Text1_KeyPress(KeyAscii As Integer) Dim char As String char=Chr(KeyAscii) KeyAscii=Asc(UCase(char)) Text1.Text=String(6，KeyAscii) End Sub 程序运行后，如果在键盘上输入字母“a”，则文本框中显示的内容为 ______。A．aB．AC．aaaaaaaD．AAAAAAA