public ShapeImporterSourceFormat InputFormat { get; set; }

Public Property InputFormat As ShapeImporterSourceFormat
	Get
	Set

public:
property ShapeImporterSourceFormat InputFormat {
	ShapeImporterSourceFormat get ();
	void set (ShapeImporterSourceFormat value);
}

If this option is set to Auto (the default), the file name extension will be used to determine the input format. That covers most file-based data import workflows. Specify the input format explicitly to perform an additional sanity check or if you are using a non-standard file extension.