DataField
Returns or sets the field of external database table or query linked with a feature type. This field must belong to a table or query upon which a link descriptor, the owner of this object, has been built (see the properties DataLink::Table and DataLink::Query). The field must be matched by type with a field (returned by the IndirectFieldsPair::CrossField property) of cross table. Use the "Types of Fields" table to match fields by type correctly. The property supports read/write access.
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