•  

Start Method

Starts the transaction group

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2011

Syntax

C# 
public TransactionStatus Start()
Visual Basic 
Public Function Start As TransactionStatus
Visual C++ 
public:
TransactionStatus Start()

Return Value

If started successfully, this method returns TransactionStatus.Started.

Remarks

A transaction group can be started only when there is no transaction started currently. It can be started inside another transaction group. When groups are nested inside each other it is required that inner transaction groups are finished (i.e. rolled back, committed, or assimilated) before outer groups are.

Exceptions

Exception Condition
Autodesk.Revit.Exceptions InvalidOperationException Cannot modify the document for either a read-only external command is being executed, or changes to the document are temporarily disabled. -or- Transaction group cannot be started during an active transaction. -or- The Transaction group has already been started.

See Also