[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

参考答案与解析：

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