Class CDaUndoStack

class CDaUndoStack : public CBase;

Description

Allows delete operations on a data application model to be undone.

Derivation

• CBase - Base class for all classes to be instantiated on the heap

• CDaUndoStack - Allows delete operations on a data application model to be undone

Members

Defined in CDaUndoStack:
Count(), DeleteL(), Reset(), UndoL()

Inherited from CBase:
Delete(), Extension_(), operator new()

IMPORT_C void DeleteL(RDbView &aView, const CDbColSet &aColSet);

Description

Deletes the specified column set from the specified view.

The deleted information is saved so that the delete operation can be undone later.

Parameters

RDbView &aView View from which to delete const CDbColSet &aColSet Column set to delete

IMPORT_C void UndoL(RDbView &aView, const CDbColSet &aColSet);

Description

Undoes a delete operation.

Parameters

RDbView &aView View in which to undo. const CDbColSet &aColSet The column set affected.

inline TInt Count() const;

Description

Gets the number of items on the undo stack.

Return value

TInt Number of items on the undo stack

inline void Reset();

Description

Resets the undo stack.