Gets and sets the spatial filter. If specified, the SpatialFilter will be used to filter the available transformations for all source and target coordinate system pairs in the table. If not specified, all the possible transformations for a given source and target coordinate system pair will be returned. Additionaly, if a SpatialFilter is also defined on a given TransformationInfo object, it will override this property (for this specific TransformationInfo object).

public Envelope SpatialFilter {get; set;}

Public Property SpatialFilter As Envelope