API Reference > Extension Classes > ExServices Classes > ExFileUndoController Class
ExFileUndoController Class
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Class Hierarchy
ExFileUndoControllerExFileUndoControllerExFileUndoController
Syntax
C++
class ExFileUndoController : public OdDbUndoController;
File

ExFileUndoController.h

Description

This class implements platform-independent UndoController objects. 

Library: Source provided.

Group
ExFileUndoController Methods
 
Name 
Description 
 
clearData 
This is clearData, a member of class ExFileUndoController. 
 
hasData 
Returns true if and only if this UndoController object is not empty. 
 
newRecordStackIterator 
This is newRecordStackIterator, a member of class ExFileUndoController. 
 
popData 
Writes the record at the end of this UndoController object to the specified StreamBuf object.  
 
pushData 
Adds the specified number of bytes from the specified StreamBuf object to the end of this UndoController object.  
 
setStorage 
This is setStorage, a member of class ExFileUndoController. 
ExFileUndoController Structures
 
Name 
Description 
 
UndoRecord 
This is record ExFileUndoController::UndoRecord. 
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