# OSGeo::FDO::Commands::LongTransaction::ILongTransactionSetReader Interface Reference
[OSGeo::FDO::Commands::LongTransaction]

Inheritance diagram for OSGeo::FDO::Commands::LongTransaction::ILongTransactionSetReader:

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## Detailed Description

The ILongTransactionSetReader interface provides forward only, read-only functionality for enumerating the versions in the long transaction selection set. A reference to an ILongTransactionSetReader is returned from the GetLongTransactionsInSet command. The initial position of the ILongTransactionSetReader is prior to the first item. Thus, you must call ReadNext to begin accessing any data.

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