IOleParentUndoUnit::Add method

Adds a simple undo unit to the collection.

Syntax


HRESULT Add(
  [in] IOleUndoUnit *pUU
);

Parameters

pUU [in]

An IOleUndoUnit pointer to the undo unit to be added.

Return value

This method returns S_OK if the specified unit was successfully added or the parent unit was blocked.

Remarks

The parent undo unit or undo manager must accept any undo unit given to it, unless it is blocked. If it is blocked, it should do nothing but return S_OK.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

OCIdl.h

IDL

OCIdl.idl

IID

IID_IOleParentUndoUnit is defined as A1FAF330-EF97-11CE-9BC9-00AA00608E01

See also

IOleParentUndoUnit
IOleUndoManager::Add

 

 

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