CDynamicAccessor::GetColumnInfo

Article
06/05/2017

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The latest version of this topic can be found at CDynamicAccessor::GetColumnInfo.

Returns the column metadata needed by most consumers.

Syntax

  
      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.

Requirements

Header: atldbcli.h

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