CRowset::Undo
Undoes any changes made to a row since the last fetch or Update.
HRESULT Undo(
DBCOUNTITEM* pcRows = NULL,
HROW* phRow = NULL,
DBROWSTATUS* pStatus = NULL
) throw( );
Параметры
pcRows
[out] A pointer to the location where Undo returns the number of rows it attempted to undo if required.phRow
[out] A pointer to the location where Undo returns an array of handles to all rows it attempted to undo if required.pStatus
[out] A pointer to the location where Undo returns the row status value. No status is returned if pStatus is null.
Возвращаемое значение
A standard HRESULT.
Заметки
This method requires the optional interface IRowsetUpdate, which might not be supported on all providers; if this is the case, the method returns E_NOINTERFACE. You must also set DBPROP_IRowsetUpdate to VARIANT_TRUE before calling Open on the table or command containing the rowset.
Требования
Header: atldbcli.h