private void MyAudioInputDlg_Shown(object sender, EventArgs e)
        {
            if (m_hCapDev[0] != 0x00000000)
            {
                uint nInput = (uint)EXPORTS.InputAudioSourceEnum.QCAP_INPUT_TYPE_EMBEDDED_AUDIO;

                EXPORTS.QCAP_GET_AUDIO_INPUT(m_hCapDev[0], ref nInput);

                if (nInput == (uint)EXPORTS.InputAudioSourceEnum.QCAP_INPUT_TYPE_EMBEDDED_AUDIO)
                {
                    RadioButtonInputEMBEDDEDAUDIO.Checked = true;
                }

                if (nInput == (uint)EXPORTS.InputAudioSourceEnum.QCAP_INPUT_TYPE_LINE_IN)
                {
                    RadioButtonInputEMBEDDEDLINEIN.Checked = true;
                }
            }
        }