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; } } }