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单选题
窗体的MouseUp事件过程如下:Private Sub Form_MouseUp(Button As Integer, Shift As Integer, X As Single,Y As Single)……End Sub关于以上定义,以下叙述中错误的是(   )。
A

根据Shift参数,能够确定使用转换键的情况

B

根据X、Y参数可以确定触发此事件时鼠标的位置

C

Button参数的值是在MouseUp事件发生时,系统自动产生的

D

MouseUp是鼠标向上移动时触发的事件


参考答案

参考解析
解析:
MouseUp事件是鼠标按键松开时触发的事件过程,事件过程的Button参数值由系统产生,为被按下的键,Shift参数表示Shift、Ctr1和Alt键的状态,X、Y参数表示光标的当前位置。鼠标移动时触发的事件是MouseMove。
更多 “单选题窗体的MouseUp事件过程如下:Private Sub Form_MouseUp(Button As Integer, Shift As Integer, X As Single,Y As Single)……End Sub关于以上定义,以下叙述中错误的是(   )。A 根据Shift参数,能够确定使用转换键的情况B 根据X、Y参数可以确定触发此事件时鼠标的位置C Button参数的值是在MouseUp事件发生时,系统自动产生的D MouseUp是鼠标向上移动时触发的事件” 相关考题
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考题 假定有如下事件过程: Private Sub Form_MouseDown(Button as Integer,Shift as Integer, X as Single,Y as Single) If Button=2 Then PopupMenu PopForm End Sub 则以下描述中错误的是( )。A、该过程的功能是弹出一个菜单B、popForm是在菜单编辑器中定义的弹出式菜单的名称C、参数X、Y指明鼠标的当前位置D、Button=2表示按下的是鼠标左键

考题 单选题对窗体编写如下事件过程: Private Sub Form_MouseDown(Button As Integer,Shif tAs 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 Integer,X As Single,Y As Single) Print "BBBBB" End Sub 程序运行后,如果单击鼠标右键,则输出结果为()A AAAAAB BBBBBC AAAAA CR BBBBB(其中CR表示回车和换行)D BBBBB CR AAAAA

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考题 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 ThenPrint"AAAAA"End IfEnd SubPrivate Sub Form_MouseUp(Button As Integer,Shift As Integer,X As Single,Y As Single) Print"BBBBB" End Sub程序运行后,如果单击鼠标右键,则输出结果为()A AAAAAB BBBBBC AAAAA CR BBBBB(其中CR表示回车和换行)D BBBBB CR AAAAA

考题 单选题假定有如下事件过程: Private Sub Form_MouseDown(Button as Integer,Shift as Integer, X as Single,Y as Single) If Button=2 Then PopupMenu PopForm End Sub 则以下描述中错误的是( )。A 该过程的功能是弹出一个菜单B popForm是在菜单编辑器中定义的弹出式菜单的名称C 参数X、Y指明鼠标的当前位置D Button=2表示按下的是鼠标左键