假定编写如下事件过程: Private Sub Form_MouseDown(Button As Integer,Shift As Integer,X As Single,Y As Single) If(Button and 3)=3 then Print"Hello" End if End Sub 程序运行后,为了在窗体上输出“Hello”,应该窗体上执行以下( )操作。
单选题
假定编写如下事件过程: Private Sub Form_MouseDown(Button As Integer,Shift As Integer,X As Single,Y As Single) If(Button and 3)=3 then Print"Hello" End if End Sub 程序运行后,为了在窗体上输出“Hello”,应该窗体上执行以下( )操作。