Returns primitive SDAI data type for the attribute according to schema, e.g. sdaiINTEGER In case of aggregation if will return base primitive type combined with engiTypeFlagAggr, e.g. sdaiINTEGER|engiTypeFlagAggr For SELECT it will return sdaiINSTANCE if all options are instances or aggegation of instances, either sdaiADB In case of SELECT and sdaiINSTANCE, return value will be combined with engiTypeFlagAggrOption if some options are aggregation or engiTypeFlagAggr if all options are aggregations of instances It works for direct and inverse attributes


public const string ifcenginedll = @"ifcengine.dll";

[DllImport(IFCEngineDLL, EntryPoint = "engiGetAttrType")]
public static extern Int64 engiGetAttrType(int_t attribute);    

Property attribute

Size: 64 bit / 8 byte (reference)