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Description

Begins a new undo transaction. An undo transaction is defined as all actions which take place when the user selects "undo" a single time. If there is already an active transaction in progress, increments that transaction's action counter instead of beginning a new transaction.

Virtual Inheritance

• UTransactor::Begin → UTransBuffer::Begin

virtual int32 Begin  
(  
    const TCHAR * SessionContext,  
    const FText & Description  
)  
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virtual int32 Begin (     const TCHAR * SessionContext,     const FText & Description )

Number of active actions when Begin() was called; values greater than 0 indicate that there was already an existing undo transaction in progress.

Parameters