Cannot access a disposed object?

Question

I have a countdown Timer form - on the first form the user will enter the countdown time - warning times, end message, etc. There are also two Radio buttons (Max/Min) and d

Answer 1

Create Object inside button click event like this

private void btn_supplier_order_Click(object sender, EventArgs e)
        {
            form_supplier_order so = new form_supplier_order();
            so.Show();
        }