把窗体的KeyPreView属性设置为True,并编写如下两个事件过程:Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)Print KeyCodeEnd SubPrivate Sub Form_KeyPress(KeyAscii As Integer)Print KeyAsciiEnd Sub程序运行后,如果按下B键,则在窗体上输出的数值是 【12】 和 【13】 。
把窗体的KeyPreView属性设置为True,并编写如下两个事件过程:
Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)
Print KeyCode
End Sub
Private Sub Form_KeyPress(KeyAscii As Integer)
Print KeyAscii
End Sub
程序运行后,如果按下B键,则在窗体上输出的数值是 【12】 和 【13】 。
相关考题:
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把窗体的Key Preview属性设置为True,然后编写如下过程: Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer) Print Chr(KeyCode) End Sub Private Sub Form_KeyUp(KeyVode As Integer, ShiftAs Integer) Print Chr(KeyCode+2) End Sub 程序运行后,如果按“A”键,则输出结果______。A.AB.AC.AD.A A B C D
把窗体的KeyPreview属性设置为True,然后编写如下事件过程(KeyAscii As Integer)Dim ch As Stringch = Chr(KeyAscii)KeyAscii = Asc(UCase(ch))Print Chr(KeyAscii + 2)程序运行后,按键盘上的“A”键,则在窗体上显示的内容是( )。A.AB.BC.CD.D
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