程序代码：

#include <stdlib.h>
#include <windows.h>
#define KEY_DOWN(VK_NONAME) ((GetAsyncKeyState(VK_NONAME) & 0x8000) ? 1 : 0)


int main()
{
    int n = 0;
    for (;;)
    {
        if (KEY_DOWN(MOUSE_MOVED))
        {
            system("color 97");
        }
        else if (KEY_DOWN(MOUSE_EVENT))
        {
            system("color A7");
        }
        else if (KEY_DOWN(MOUSE_WHEELED))
        {
            system("color 17");
        }
        else
        {
            system("color 07");
        }
    }
    return 0;
}