private void menuItemFormChartH_Click(object sender, EventArgs e)
{
FormChart fc = new FormChart("Humidity", 0);
fc.MdiParent = this;
fc.Show();
}
private void menuItemFormChartP_Click(object sender, EventArgs e)
{
FormChart fc = new FormChart("Pressure", 0);
fc.MdiParent = this;
fc.Show();
}