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IColumnsInfoImpl Class | Microsoft Docs |
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11/04/2016 |
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article |
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ATL.IColumnsInfoImpl<T> |
ATL::IColumnsInfoImpl |
IColumnsInfoImpl |
ATL.IColumnsInfoImpl |
ATL::IColumnsInfoImpl<T> |
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ba74c1c5-2eda-4452-8b57-84919fa0d066 |
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9 |
| author |
mikeblome |
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mblome |
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ghogen |
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Provides an implementation of the IColumnsInfo interface.
template <class T>
class ATL_NO_VTABLE IColumnsInfoImpl :
public IColumnsInfo,
public CDBIDOps
T
Your class, derived from IColumnsInfoImpl.
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| GetColumnInfo |
Returns the column metadata needed by most consumers. |
| MapColumnIDs |
Returns an array of ordinals of the columns in a rowset that are identified by the specified column IDs. |
Remarks
A mandatory interface on rowsets and commands. To modify the behavior of your provider's IColumnsInfo implementation, you need to modify the provider column map.
Header: atldb.h
OLE DB Provider Templates
OLE DB Provider Template Architecture