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The support functions for user-defined data types help you store UDTs in VARIANTS. The support functions help you create a self-describing array of records, without the need of loading the type library of the UDT. The IRecordInfo interface describes the structure of a UDT.
The following table describes the UDT functions and interfaces:
In this section
| Topic | Description |
|---|---|
| ClearCustData |
Releases memory used to hold the custom data item. |
| GetRecordInfoFromGuids |
Returns a pointer to the IRecordInfo interface for a UDT by passing the GUID of the type information without having to load the type library. |
| GetRecordInfoFromTypeInfo |
Returns a pointer to the IRecordInfo interface of the UDT by passing its type information. |
| IRecordInfo |
Describes the structure of a particular UDT. |