WFA_psychometric_chart.Form_Psychrometric_Calculator.textBox1_TextChanged C# (CSharp) Method

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            //we need to call something on text change....
            if(textBox1.Text != "")
            {
                //if not empty then only do this function
                calculate();
            }
        }