单项选择题在窗体上画一个文本框,然后编写如下代码: Option Base 1 Private Sub Form_Click( ) Dim arr Dim Start As Integer, Finish As Integer Dim Sum As Integer art=Array(12,4,8,16) Start=LBound(arr) Finish=UBound(arr) Sum=0 For i=Start To Finish Sum=Sum+arr(i) Next i c=Sum Finish Text1.Text=c End Sub 程序运行后,单击窗体.则在文本框中显示的内容是______。
单项选择题把窗体的KeyPreview属性设置为True,然后编写如下过程: Private Sub Form_KeyDown(KeyCode As Integer,ShiftAs Integer) Print Chr(KeyCode) End Sub Private Sub Form_KeyUp(KeyCode As Integer,Shift AsInteger) Print Chr(KeyCode+2) End Sub 程序运行后,如果按“A”键,则输出结果为______。