【单选题】把窗体的KeyPreview属性设置为True,然后编写如下事件过程 Private Sub Form_KeyPress(KeyAscii As Integer) Dim ch As String ch=Chr(KeyAscii) KeyAscii=Asc(UCase(ch)) PrintChr(KeyAscii+2) End Sub 程序运行后,按键盘上的“A”键,则在窗体上显示的内容是
【单选题】DM级是指蒸馏燃油,也称 ,ISO-8217标准将其分为 种规格。
【单选题】对窗体编写如下事件过程: Private Sub Form. MouseDown(Button As Integer,Shift As Integer, _ x As Single, Y As Single) If Button=2 Then Print 'AAA' End If End Sub Private Sub Form. MouseUp (Button As Integer,Shift ...
【单选题】对窗体编写如下事件过程: Private Sub Form_MouseDown(Button As Integer,Shift As Integer,X As Single, Y As Single) If Button=2 Then Print 'AAAAA' End If End Sub Private Sub Form_MouseUp(Button As Integer,Shift As I...
【单选题】把窗体的KeyPreview属性设置为Tree,然后编写如下事件过程 Private Sub Form_KeyPress(KeyAscii As Integer) Dim ch As String ch=Chr(KeyAscii) KeyAscii=Asc(UCase(ch)) Print Chr(KeyAscii+2) End Sub 程序运行后,按键盘上的“A”键,则在窗体上显示的内容是___...
【单选题】对窗体编写如下事件过程: Private Sub Form_ Mouse Down(Button As Integer,Shift As Integer,X AS Single,Y As Single) If Button=2 Then Print 'AAAAA' End if End Sub Private Sub Form. _ MouseUp(Button As Integer,Shift ...
【单选题】对窗体编写如下事件过程: Option Base 1 Private Sub Form_KeyPress (KeyAScii AS Integer) arr=Array(12,15,18,20,24) m1=arr(1) m2=1 If fKeyAscii=12 Then For i=2 To 5 If arr(i)>m1 Then m1=arr(i) m2=i End If Next i End...
【简答题】DM级是指蒸馏燃油,也称 ,ISO-8217标准将其分为 种规格。A. 船用柴油/四 B.船用渣油/六 C.船用柴油/六 D.船用渣油/四
【单选题】对窗体编写如下事件过程: Private Sub Form. _ MouseDown(BuRon As Integer,Shift As Integer, X As Single, Y As Single) If Button=2 Then Print 'AAAAA' End If End Sub Private Sub Form_MouseUp(Button As Integer,Shift A...