private void MyVideoInputDlg_Shown(object sender, EventArgs e)
        {
            if (m_hCapDev[0] != 0x00000000)
            {
                uint nInput = (uint)EXPORTS.InputVideoSourceEnum.QCAP_INPUT_TYPE_SDI;

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

                if (nInput == (uint)EXPORTS.InputVideoSourceEnum.QCAP_INPUT_TYPE_COMPOSITE)
                {
                    RadioButtonCOMPOSITE.Checked = true;
                }

                if (nInput == (uint)EXPORTS.InputVideoSourceEnum.QCAP_INPUT_TYPE_SVIDEO)
                {
                    RadioButtonSVIDEO.Checked = true;
                }

                if (nInput == (uint)EXPORTS.InputVideoSourceEnum.QCAP_INPUT_TYPE_HDMI)
                {
                    RadioButtonInputHDMI.Checked = true;
                }

                if (nInput == (uint)EXPORTS.InputVideoSourceEnum.QCAP_INPUT_TYPE_DVI_D)
                {
                    RadioButtonInputDVI.Checked = true;
                }

                if (nInput == (uint)EXPORTS.InputVideoSourceEnum.QCAP_INPUT_TYPE_COMPONENTS)
                {
                    RadioButtonYCBCR.Checked = true;
                }

                if (nInput == (uint)EXPORTS.InputVideoSourceEnum.QCAP_INPUT_TYPE_DVI_A)
                {
                    RadioButtonRGB.Checked = true;
                }

                if (nInput == (uint)EXPORTS.InputVideoSourceEnum.QCAP_INPUT_TYPE_SDI)
                {
                    RadioButtonSDI.Checked = true;
                }

                if (nInput == (uint)EXPORTS.InputVideoSourceEnum.QCAP_INPUT_TYPE_AUTO)
                {
                    RadioButtonAUTO.Checked = true;
                }
            }
        }