private void FillVideoFormats() { int nCount = 0; int nIndex; string strFormat; M_VID_PROPS vidProps; comboBoxVF.Items.Clear(); m_objFile.FormatVideoGetCount(eMFormatType.eMFT_Convert, out nCount); comboBoxVF.Enabled = nCount > 0; if (nCount > 0) { for (int i = 0; i < nCount; i++) { m_objFile.FormatVideoGetByIndex(eMFormatType.eMFT_Convert, i, out vidProps, out strFormat); if (vidProps.eVideoFormat == eMVideoFormat.eMVF_HD1080_5994i) { startVideoFormat = i; } comboBoxVF.Items.Add(strFormat); } m_objFile.FormatVideoGet(eMFormatType.eMFT_Convert, out vidProps, out nIndex, out strFormat); if (nIndex > 0) { comboBoxVF.SelectedIndex = nIndex; } else { comboBoxVF.SelectedIndex = 0; } } }