MsgBox "B选项"
Set Image1.Picture = LoadPicture("")
Set Image3.Picture = LoadPicture("")
Set Image4.Picture = LoadPicture("")
Set Image2.Picture = LoadPicture("yes.jpg")
执行上述代码之后,Image2这个控件并没有及时刷新出现,当退出ppt放映之后才显示,很不解