public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { if (value is string) { int num = 0; if (DocUtil.StringToDXFCode((string)value, ref num)) { return(value); } } if (value is int) { return(DocUtil.DXFCodeToString((int)value)); } return(MSCFeatureClass.GetTypeCodeString(MSCFeatureClass.fcTypeCode.fcTypePoint)); }