::GetAsyncKeyState(VK_LEFT) & 0x8000f

Question

::GetAsyncKeyState(VK_LEFT) & 0x8000f 和::GetAsyncKeyState(VK_LEFT) & 0x8000有什么区别啊?

Answer 1

两个完全不同的数值：0x8000f、0x8000

Answer 2

那当然，如果::GetAsyncKeyState(VK_LEFT)返回0，和谁去&结果都一样。

Answer 3

0x8000f 谁教你这么写的，拉出去tjjtds

Answer 4

各位来这里看看
http://topic.csdn.net/u/20120627/12/ba910ff1-d1e0-40bb-9628-58da4457b91a.html?seed=461116240&r=78965915#r_78965915

Answer 5

http://topic.csdn.net/u/20120627/12/ba910ff1-d1e0-40bb-9628-58da4457b91a.html