public static TimeClass operator -(TimeClass time1, TimeClass time2)
{
TimeClass time3 = new TimeClass();
time3.h = time1.h - time2.h;
time3.m = time1.m - time2.m;
time3.s = time1.s - time2.s;
if (time3.s < 0)
{
time3.s *= -1;
time3.s -= 60;
time3.s *= -1;
time3.m--;
}
if (time3.m < 0)
{
time3.m *= -1;
time3.m -= 60;
time3.m *= -1;
time3.h--;
}
if (time3.h < 0)
{
time3.h += 24;
}
return(time3);
}
private void Button_sub_Click(object sender, EventArgs e)
{
TimeClass sub = new TimeClass();
sub = t1 - t2;
label_str.Text = sub.convert_to_string();
}
private void Button_plus_Click(object sender, EventArgs e)
{
TimeClass sum = new TimeClass();
sum = t1 + t2;
label_str.Text = sum.convert_to_string();
}
} //возвращение секунд
public static TimeClass operator +(TimeClass time1, TimeClass time2)
{
TimeClass time3 = new TimeClass();
time3.s = time1.s + time2.s;
time3.m = time1.m + time2.m;
time3.h = time1.h + time2.h;
if (time3.s > 59)
{
time3.s -= 60;
time3.m++;
}
if (time3.m > 59)
{
time3.m -= 60;
time3.h++;
}
if (time3.h > 23)
{
time3.h -= 24;
}
return(time3);
}
