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CDynamicAccessor::GetColumnInfo

Returns the column metadata needed by most consumers.

HRESULT GetColumnInfo(
   IRowset* pRowset,
   DBORDINAL* pColumns,
   DBCOLUMNINFO** ppColumnInfo,
   OLECHAR** ppStringsBuffer 
) throw( );

Parameters

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.

Return Value

One of the standard HRESULT values.

Remarks

See IColumnsInfo::GetColumnInfo in the OLE DB Programmer's Reference for information on the data types DBORDINAL, DBCOLUMNINFO, and OLECHAR.

See Also

CDynamicAccessor Overview | Class Members

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