NOPRTSCR.C
资源名称:C.rar [点击查看]
上传用户:qq5388545
上传日期:2022-07-04
资源大小:29849k
文件大小:1k
源码类别:
界面编程
开发平台:
C/C++
- #include <stdio.h>
- #include <dos.h>
- #include <conio.h>
- int count = 0;
- void interrupt handler(void)
- {
- count++;
- }
- void main(void)
- {
- void interrupt (*original_handler)();
- int old_count = 0;
- original_handler = _dos_getvect(5);
- _disable(); // Turn off interrupts during _dos_setvect
- _dos_setvect(5, handler);
- _enable();
- printf("Press Shift-PrtSc three times or any key to endn");
- while (count < 3)
- if (count != old_count)
- {
- printf("Shift-PrtSc pressedn");
- old_count = count;
- }
- _disable();
- _dos_setvect(5, original_handler);
- _enable();
- }