private void ShowChart(FormTag tag, bool value)
        {
            if (InvokeRequired)
            {
                Action <FormTag, bool> act = new Action <FormTag, bool>(ShowChart);
                Invoke(act, new object[] { tag, value });
            }
            else
            {
                switch (tag)
                {
                case FormTag.REF_WAVE:
                    if (refvoice_wave == null || refvoice_wave.IsDisposed)
                    {
                        refvoice_wave = new WaveViewerForm(tag);
                        SetDataChart(FormTag.REF_WAVE);
                    }
                    if (value)
                    {
                        if (!refvoice_wave.Visible)
                        {
                            refvoice_wave.Show();
                        }
                    }
                    else
                    {
                        if (refvoice_wave.Visible)
                        {
                            refvoice_wave.Hide();
                        }
                    }

                    break;

                case FormTag.REF_FREQ:
                    if (refvoice_freq == null || refvoice_freq.IsDisposed)
                    {
                        refvoice_freq = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!refvoice_freq.Visible)
                        {
                            refvoice_freq.Show();
                        }
                    }
                    else
                    {
                        if (refvoice_freq.Visible)
                        {
                            refvoice_freq.Hide();
                        }
                    }

                    break;

                case FormTag.REF_MFCC:

                    if (refvoice_mfcc == null || refvoice_mfcc.IsDisposed)
                    {
                        refvoice_mfcc = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!refvoice_mfcc.Visible)
                        {
                            refvoice_mfcc.Show();
                        }
                    }
                    else
                    {
                        if (refvoice_mfcc.Visible)
                        {
                            refvoice_mfcc.Hide();
                        }
                    }
                    break;

                case FormTag.REF_DOUBLE:

                    if (refvoice_double == null || refvoice_double.IsDisposed)
                    {
                        refvoice_double = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!refvoice_double.Visible)
                        {
                            refvoice_double.Show();
                        }
                    }
                    else
                    {
                        if (refvoice_double.Visible)
                        {
                            refvoice_double.Hide();
                        }
                    }
                    break;

                case FormTag.REF_DETAL:

                    if (refvoice_detal == null || refvoice_detal.IsDisposed)
                    {
                        refvoice_detal = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!refvoice_detal.Visible)
                        {
                            refvoice_detal.Show();
                        }
                    }
                    else
                    {
                        if (refvoice_detal.Visible)
                        {
                            refvoice_detal.Hide();
                        }
                    }
                    break;

                case FormTag.REF_PITCH:

                    if (refvoice_pitch == null || refvoice_pitch.IsDisposed)
                    {
                        refvoice_pitch = new LineChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!refvoice_pitch.Visible)
                        {
                            refvoice_pitch.Show();
                        }
                    }
                    else
                    {
                        if (refvoice_pitch.Visible)
                        {
                            refvoice_pitch.Hide();
                        }
                    }
                    break;

                case FormTag.YOUR_WAVE:
                    if (yourvoice_wave == null || yourvoice_wave.IsDisposed)
                    {
                        yourvoice_wave = new WaveViewerForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!yourvoice_wave.Visible)
                        {
                            yourvoice_wave.Show();
                        }
                    }
                    else
                    {
                        if (yourvoice_wave.Visible)
                        {
                            yourvoice_wave.Hide();
                        }
                    }

                    break;

                case FormTag.YOUR_FREQ:
                    if (yourvoice_freq == null || yourvoice_freq.IsDisposed)
                    {
                        yourvoice_freq = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!yourvoice_freq.Visible)
                        {
                            yourvoice_freq.Show();
                        }
                    }
                    else
                    {
                        if (yourvoice_freq.Visible)
                        {
                            yourvoice_freq.Hide();
                        }
                    }

                    break;

                case FormTag.YOUR_MFCC:

                    if (yourvoice_mfcc == null || yourvoice_mfcc.IsDisposed)
                    {
                        yourvoice_mfcc = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!yourvoice_mfcc.Visible)
                        {
                            yourvoice_mfcc.Show();
                        }
                    }
                    else
                    {
                        if (yourvoice_mfcc.Visible)
                        {
                            yourvoice_mfcc.Hide();
                        }
                    }
                    break;

                case FormTag.YOUR_DOUBLE:

                    if (yourvoice_double == null || yourvoice_double.IsDisposed)
                    {
                        yourvoice_double = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!yourvoice_double.Visible)
                        {
                            yourvoice_double.Show();
                        }
                    }
                    else
                    {
                        if (yourvoice_double.Visible)
                        {
                            yourvoice_double.Hide();
                        }
                    }
                    break;

                case FormTag.YOUR_DETAL:

                    if (yourvoice_detal == null || yourvoice_detal.IsDisposed)
                    {
                        yourvoice_detal = new MfccChartForm(tag);
                        SetDataChart(tag);
                        yourvoice_detal.Text = "";
                    }
                    if (value)
                    {
                        if (!yourvoice_detal.Visible)
                        {
                            yourvoice_detal.Show();
                        }
                    }
                    else
                    {
                        if (yourvoice_detal.Visible)
                        {
                            yourvoice_detal.Hide();
                        }
                    }
                    break;

                case FormTag.YOUR_PITCH:

                    if (yourvoice_pitch == null || yourvoice_pitch.IsDisposed)
                    {
                        yourvoice_pitch = new LineChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!yourvoice_pitch.Visible)
                        {
                            yourvoice_pitch.Show();
                        }
                    }
                    else
                    {
                        if (yourvoice_pitch.Visible)
                        {
                            yourvoice_pitch.Hide();
                        }
                    }
                    break;
                }
            }
        }
        private void ShowChart(FormTag tag, bool value)
        {
            if (InvokeRequired)
            {
                Action <FormTag, bool> act = new Action <FormTag, bool>(ShowChart);
                Invoke(act, new object[] { tag, value });
            }
            else
            {
                switch (tag)
                {
                case FormTag.REF_WAVE:
                    if (_refVoiceWave == null || _refVoiceWave.IsDisposed)
                    {
                        _refVoiceWave = new WaveViewerForm(tag);
                        SetDataChart(FormTag.REF_WAVE);
                    }
                    if (value)
                    {
                        if (!_refVoiceWave.Visible)
                        {
                            _refVoiceWave.Show();
                        }
                    }
                    else
                    {
                        if (_refVoiceWave.Visible)
                        {
                            _refVoiceWave.Hide();
                        }
                    }

                    break;

                case FormTag.REF_FREQ:
                    if (_refVoiceFreq == null || _refVoiceFreq.IsDisposed)
                    {
                        _refVoiceFreq = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!_refVoiceFreq.Visible)
                        {
                            _refVoiceFreq.Show();
                        }
                    }
                    else
                    {
                        if (_refVoiceFreq.Visible)
                        {
                            _refVoiceFreq.Hide();
                        }
                    }

                    break;

                case FormTag.REF_MFCC:

                    if (_refVoiceMfcc == null || _refVoiceMfcc.IsDisposed)
                    {
                        _refVoiceMfcc = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!_refVoiceMfcc.Visible)
                        {
                            _refVoiceMfcc.Show();
                        }
                    }
                    else
                    {
                        if (_refVoiceMfcc.Visible)
                        {
                            _refVoiceMfcc.Hide();
                        }
                    }
                    break;

                case FormTag.REF_DOUBLE:

                    if (_refVoiceDouble == null || _refVoiceDouble.IsDisposed)
                    {
                        _refVoiceDouble = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!_refVoiceDouble.Visible)
                        {
                            _refVoiceDouble.Show();
                        }
                    }
                    else
                    {
                        if (_refVoiceDouble.Visible)
                        {
                            _refVoiceDouble.Hide();
                        }
                    }
                    break;

                case FormTag.REF_DETAL:

                    if (_refVoiceDetal == null || _refVoiceDetal.IsDisposed)
                    {
                        _refVoiceDetal = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!_refVoiceDetal.Visible)
                        {
                            _refVoiceDetal.Show();
                        }
                    }
                    else
                    {
                        if (_refVoiceDetal.Visible)
                        {
                            _refVoiceDetal.Hide();
                        }
                    }
                    break;

                case FormTag.REF_PITCH:

                    if (_refVoicePitch == null || _refVoicePitch.IsDisposed)
                    {
                        _refVoicePitch = new LineChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!_refVoicePitch.Visible)
                        {
                            _refVoicePitch.Show();
                        }
                    }
                    else
                    {
                        if (_refVoicePitch.Visible)
                        {
                            _refVoicePitch.Hide();
                        }
                    }
                    break;

                case FormTag.YOUR_WAVE:
                    if (_yourVoiceWave == null || _yourVoiceWave.IsDisposed)
                    {
                        _yourVoiceWave = new WaveViewerForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!_yourVoiceWave.Visible)
                        {
                            _yourVoiceWave.Show();
                        }
                    }
                    else
                    {
                        if (_yourVoiceWave.Visible)
                        {
                            _yourVoiceWave.Hide();
                        }
                    }

                    break;

                case FormTag.YOUR_FREQ:
                    if (_yourVoiceFreq == null || _yourVoiceFreq.IsDisposed)
                    {
                        _yourVoiceFreq = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!_yourVoiceFreq.Visible)
                        {
                            _yourVoiceFreq.Show();
                        }
                    }
                    else
                    {
                        if (_yourVoiceFreq.Visible)
                        {
                            _yourVoiceFreq.Hide();
                        }
                    }

                    break;

                case FormTag.YOUR_MFCC:

                    if (_yourVoiceMfcc == null || _yourVoiceMfcc.IsDisposed)
                    {
                        _yourVoiceMfcc = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!_yourVoiceMfcc.Visible)
                        {
                            _yourVoiceMfcc.Show();
                        }
                    }
                    else
                    {
                        if (_yourVoiceMfcc.Visible)
                        {
                            _yourVoiceMfcc.Hide();
                        }
                    }
                    break;

                case FormTag.YOUR_DOUBLE:

                    if (_yourVoiceDouble == null || _yourVoiceDouble.IsDisposed)
                    {
                        _yourVoiceDouble = new MfccChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!_yourVoiceDouble.Visible)
                        {
                            _yourVoiceDouble.Show();
                        }
                    }
                    else
                    {
                        if (_yourVoiceDouble.Visible)
                        {
                            _yourVoiceDouble.Hide();
                        }
                    }
                    break;

                case FormTag.YOUR_DETAL:

                    if (_yourVoiceDetal == null || _yourVoiceDetal.IsDisposed)
                    {
                        _yourVoiceDetal = new MfccChartForm(tag);
                        SetDataChart(tag);
                        _yourVoiceDetal.Text = string.Empty;
                    }
                    if (value)
                    {
                        if (!_yourVoiceDetal.Visible)
                        {
                            _yourVoiceDetal.Show();
                        }
                    }
                    else
                    {
                        if (_yourVoiceDetal.Visible)
                        {
                            _yourVoiceDetal.Hide();
                        }
                    }
                    break;

                case FormTag.YOUR_PITCH:

                    if (_yourVoicePitch == null || _yourVoicePitch.IsDisposed)
                    {
                        _yourVoicePitch = new LineChartForm(tag);
                        SetDataChart(tag);
                    }
                    if (value)
                    {
                        if (!_yourVoicePitch.Visible)
                        {
                            _yourVoicePitch.Show();
                        }
                    }
                    else
                    {
                        if (_yourVoicePitch.Visible)
                        {
                            _yourVoicePitch.Hide();
                        }
                    }
                    break;
                }
            }
        }