上次说到关于拆分字节的事,现在我要实现,可是试出来,WINCC只能对最后8位有作用,对前面的都没有用,
比如:
SetTagWord("bb",(GetTagWord("cc")&0xFF000000));
SetTagWord("bb1",(GetTagWord("cc")&0x00FF0000));
SetTagWord("bb2",(GetTagWord("cc")&0x0000FF00));
SetTagWord("bb3",(GetTagWord("cc")&0x000000FF));
放在画面中实现它的话,只有bb3有结果,其它都没有反应,
不知道为什么?