private void Form2_Load(object sender, EventArgs e)
{
label2.Text = DateTime.Now.ToShortDateString();
label3.Text = DateTime.Now.ToShortTimeString();
label5.Text = Class1.higher + "/" + Class1.lower;
Class1 obj = new Class1();
if (Class1.higher > 140 || Class1.higher <= 90 && Class1.lower <= 60 || Class1.lower >= 90)
{
label7.BackColor = System.Drawing.Color.Red;
}
label7.Text = obj.numbers_ranges(Class1.higher, Class1.lower, label7);
}