API Reference > Extension Classes > ExServices Classes > ExUndoController Class
ExUndoController Class
ExUndoControllerExUndoControllerExUndoController
Syntax
C++
class ExUndoController : public OdDbUndoController;

ExUndoController.h

This class implements platform-independent UndoController objects. 

Library: Source provided.

 
Name 
Description 
 
This is clearData, a member of class ExUndoController. 
 
Returns true if and only if this UndoController object is not empty. 
 
This is newRecordStackIterator, a member of class ExUndoController. 
 
Writes the record at the end of this UndoController object to the specified StreamBuf object.  
 
Adds the specified number of bytes from the specified StreamBuf object to the end of this UndoController object.  
 
Sets the limits of this UndoController object.  
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