public override Collection <FeatureSourceColumn> GetColumnToAdd(string filePath, string customParameter)
{
Collection <FeatureSourceColumn> result = new Collection <FeatureSourceColumn>();
CsvFeatureSource csvFeatureSource = new CsvFeatureSource();
csvFeatureSource.DelimitedPathFilename = filePath;
csvFeatureSource.Delimiter = customParameter;
csvFeatureSource.RequireIndex = false;
csvFeatureSource.Open();
foreach (var column in csvFeatureSource.GetColumns())
{
DataJoinFeatureSourceColumn csvColumn = new DataJoinFeatureSourceColumn(column.ColumnName, column.TypeName, column.MaxLength);
result.Add(csvColumn);
}
csvFeatureSource.Close();
return(result);
}
protected override void BuildIndexCore(FeatureLayer featureLayer)
{
CsvFeatureLayer csvFeatureLayer = (CsvFeatureLayer)featureLayer;
CsvFeatureSource csvFeatureSource = csvFeatureLayer.FeatureSource as CsvFeatureSource;
try
{
csvFeatureSource.BuildingIndex -= DelimitedFeatureSource_BuildingIndex;
csvFeatureSource.BuildingIndex += DelimitedFeatureSource_BuildingIndex;
csvFeatureSource.BuildIndexFile(csvFeatureSource.DelimitedPathFilename, csvFeatureSource.WellKnownTextColumnName, csvFeatureSource.Delimiter, BuildIndexMode.DoNotRebuild);
}
catch (Exception ex)
{
GisEditor.LoggerManager.Log(LoggerLevel.Debug, ex.Message, new ExceptionInfo(ex));
}
finally
{
csvFeatureSource.BuildingIndex -= DelimitedFeatureSource_BuildingIndex;
}
}