Question

C语言键盘控制程序运行

如按1开始按2结束

Answer 1

I am pretty sure A and B will work in my code, but not sure about num1 and num2
Please try the following code and let me know if you have a question.
Hope you find this helpful

#include <windows.h>

while(1){ // enter the while loop, if A or B is pressed then trigger certain function
if(GetAsyncKeyState('A')){ // if A is pressed
// do something

Sleep(250);
}

if(GetAsyncKeyState('B')){ // if B is pressed
// do something
Sleep(250);
}

}

Answer 2

用switch，case实现，

Answer 3

if（key1==0）{...;}
if（key2==0）{...;}