(GetAsyncKeyState(VK_NONAME) & 0x8000)
时间: 2024-06-06 20:06:38 浏览: 11
This code is incomplete and cannot be properly analyzed without the rest of the program.
However, assuming that VK_NONAME is a valid virtual key code, this code is likely checking if the key with that code is currently pressed down. The GetAsyncKeyState function returns a short integer that contains the state of the key, with the high-order bit indicating whether the key is currently pressed down.
It's worth noting that VK_NONAME is not a standard virtual key code and may be specific to the program or library being used. Without more context, it's impossible to determine its specific meaning.
相关问题
GetAsyncKeyState(VK_NONAME) & 0x8000 详细解释
There is no such thing as VK_NONAME in the virtual key code (VK) list. VK codes are used in Windows programming to identify keys on a keyboard or other input device. Please provide a valid VK code for me to provide more information.
// 获取用户输入的命令 int GetCmd() { int c = 0; if (GetAsyncKeyState(VK_LEFT) & 0x8000) c |= CMD_LEFT; if (GetAsyncKeyState(VK_RIGHT) & 0x8000) c |= CMD_RIGHT; if (GetAsyncKeyState(VK_UP) & 0x8000) c |= CMD_UP; if (GetAsyncKeyState(VK_DOWN) & 0x8000) c |= CMD_DOWN; if (GetAsyncKeyState('A') & 0x8000) c |= CMD_LEFT; if (GetAsyncKeyState('D') & 0x8000) c |= CMD_RIGHT; if (GetAsyncKeyState('W') & 0x8000) c |= CMD_UP; if (GetAsyncKeyState('S') & 0x8000) c |= CMD_DOWN; if (GetAsyncKeyState(' ') & 0x8000) c |= CMD_MARKRED; if (GetAsyncKeyState('G') & 0x8000) c |= CMD_MARKGREEN; if (GetAsyncKeyState('Y') & 0x8000) c |= CMD_MARKYELLOW; if (GetAsyncKeyState('C') & 0x8000) c |= CMD_CLEARMARK; if (GetAsyncKeyState(VK_ESCAPE) & 0x8000) c |= CMD_QUIT; return c; }
这段代码是用来获取用户输入的命令的,它通过检测键盘按键的状态来判断用户输入了哪些命令。它首先定义了一个变量 c 来保存用户输入的命令,然后使用 GetAsyncKeyState 函数来检测各个按键的状态。如果某个按键被按下了,就将对应的命令添加到 c 中,最终返回 c。其中 VK_LEFT、VK_RIGHT、VK_UP、VK_DOWN 分别对应键盘上的方向键,'A'、'D'、'W'、'S' 分别对应键盘上的 WASD 键,' '、'G'、'Y'、'C' 分别对应空格键、G键、Y键、C键。CMD_MARKRED、CMD_MARKGREEN 和 CMD_MARKYELLOW 是自定义的命令,分别表示标记为红色、绿色和黄色。CMD_CLEARMARK 表示清除标记,CMD_QUIT 表示退出程序。