CDynamicAccessor::GetColumnInfo
Returns the column metadata needed by most consumers.
HRESULT GetColumnInfo(
IRowset* pRowset,
DBORDINAL* pColumns,
DBCOLUMNINFO** ppColumnInfo,
OLECHAR** ppStringsBuffer
) throw( );
Параметры
pRowset
[in] A pointer to the IRowset interface.pColumns
[out] A pointer to memory in which to return the number of columns in the rowset; this number includes the bookmark column, if there is one.ppColumnInfo
[out] A pointer to memory in which to return an array of DBCOLUMNINFO structures. See "DBCOLUMNINFO Structures" in IColumnsInfo::GetColumnInfo in the OLE DB Programmer's Reference.ppStringsBuffer
[out] A pointer to memory in which to return a pointer to storage for all string values (names used either within columnid or for pwszName) within a single allocation block.
Возвращаемое значение
One of the standard HRESULT values.
Заметки
See IColumnsInfo::GetColumnInfo in the OLE DB Programmer's Reference for information on the data types DBORDINAL, DBCOLUMNINFO, and OLECHAR.
Требования
Header: atldbcli.h