标题: 为什么 bioskey()对SHIFT等几个功能键无效?
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作者: GOTOmsdos
时间: 2007-3-3 11:05
标题: 为什么 bioskey()对SHIFT等几个功能键无效?
代码如下:
(对其他键都有效,但按下SHIFT等键程序无反应!)
怎么回事? 用中断函数也这样.是不是 CONFIG.SYS中要什么配置?
#include <stdio.h>
#include <bios.h>
#include <ctype.h>
main()
{
int key1=0,key2=0;
while(!bioskey(1));
key1=bioskey(0);
key2=bioskey(2);
printf("%X,%X\n",key1,key2);
}
Last edited by GOTOmsdos on 2007-3-3 at 11:46 AM ]
作者: firstsail
时间: 2007-3-4 00:38
//不能用bioskey()读到,可从bois数据区中获得!
//WinSail V2.0有一个函数AfxKeyboardState,其代码是这样的
#define KEYBOARD_STATE_RSHIFT 0
#define KEYBOARD_STATE_LSHIFT 1
#define KEYBOARD_STATE_CTRL 2
#define KEYBOARD_STATE_ALT 3
#define KEYBOARD_STATE_SCROLLLOCK 4
#define KEYBOARD_STATE_NUMLOCK 5
#define KEYBOARD_STATE_CAPSLOCK 6
#define KEYBOARD_STATE_INSERT 7
//函数名称:AfxKeyboardState
//函数功能:
//入口参数:int nState --- 要判断的按键
= KEYBOARD_STATE_RSHIFT 右"Shift"键
= KEYBOARD_STATE_LSHIFT 左"Shift"键
= KEYBOARD_STATE_CTRL "Ctrl"键
= KEYBOARD_STATE_ALT "Alt"键
= KEYBOARD_STATE_SCROLLLOCK "ScrollLock键"
= KEYBOARD_STATE_NUMLOCK "NumLock键"
= KEYBOARD_STATE_CAPSLOCK "CapsLock键"
= KEYBOARD_STATE_INSERT "Insert键"
//出口参数:无
//返 回 值:与按键匹配时返回TRUE,否则返回FALSE
BOOL far AfxKeyboardState(int nState)
{
BYTE far *pHead = (BYTE far *)0x00400017L;
return (((*pHead) & (1 << nState)) ? TRUE : FALSE);
}
//举例
int main()
{
//只要按下"Shift",则退出
while (!AfxKeyboardState (KEYBOARD_STATE_LSHIFT) &&
!AfxKeyboardState (KEYBOARD_STATE_RSHIFT))
{
}
return (0);
}
Last edited by firstsail on 2007-3-4 at 12:41 AM ]
作者: GOTOmsdos
时间: 2007-3-4 15:31
可惜你这个不能在 TC/BC里用的...