public void DisplayRefDoubleChart()
        {
            SetDataRefDoubleChart();

            if (selectShowChart.Selected.RefDouble && refmfcc != null)
            {
                if (!refvoice_double.Visible)
                {
                    refvoice_double.Location = locationChart[5];
                    refvoice_double.Show();
                }
            }
            else
            {
                if (refvoice_double.Visible)
                {
                    refvoice_double.Hide();
                }
            }
        }
        public void DisplayRefMfccChart()
        {
            SetDataRefMfccChart();

            if (selectShowChart.Selected.RefMfcc)
            {
                if (!refvoice_mfcc.Visible && refmfcc != null)
                {
                    refvoice_mfcc.Location = locationChart[3];
                    refvoice_mfcc.Show();
                }
            }
            else
            {
                if (refvoice_mfcc.Visible)
                {
                    refvoice_mfcc.Hide();
                }
            }
        }
        public void DisplayRefFreqChart()
        {
            SetDataRefFreqChart();

            if (selectShowChart.Selected.RefFreq)
            {
                if (!refvoice_freq.Visible && refmfcc != null)
                {
                    refvoice_freq.Location = locationChart[1];
                    refvoice_freq.Show();
                }
            }
            else
            {
                if (refvoice_freq.Visible)
                {
                    refvoice_freq.Hide();
                }
            }
        }
        public void DisplayYourDoubleChart()
        {
            SetDataYourDoubleChart();

            if (selectShowChart.Selected.YourDouble && yourmfcc != null)
            {
                if (!yourvoice_double.Visible && yourmfcc != null)
                {
                    yourvoice_double.Location = locationChart[4];
                    yourvoice_double.Show();
                }
            }
            else
            {
                if (yourvoice_double.Visible)
                {
                    yourvoice_double.Hide();
                }
            }
        }
        public void DisplayYourMfccChart()
        {
            SetDataYourMfccChart();

            if (selectShowChart.Selected.YourMfcc)
            {
                if (!yourvoice_mfcc.Visible && yourmfcc != null)
                {
                    yourvoice_mfcc.Location = locationChart[2];
                    yourvoice_mfcc.Show();
                }
            }
            else
            {
                if (yourvoice_mfcc.Visible)
                {
                    yourvoice_mfcc.Hide();
                }
            }
        }
        public void DisplayYourFreqChart()
        {
            SetDataYourFreqChart();

            if (selectShowChart.Selected.YourFreq)
            {
                if (!yourvoice_freq.Visible && yourmfcc != null)
                {
                    yourvoice_freq.Location = locationChart[0];
                    yourvoice_freq.Show();
                }
            }
            else
            {
                if (yourvoice_freq.Visible)
                {
                    yourvoice_freq.Hide();
                }
            }
        }