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Notifies the data consumer that an existing data member has become available, unavailable, or has been refreshed.
Important
This feature will be removed in a future version of Windows. Avoid using this feature in new development work, and plan to modify applications that currently use this feature. Instead, write a fully functional OLE DB provider using the native OLE DB interfaces.
Syntax
HRESULT dataMemberChanged(
DataMember bstrDM);
Parameters
- bstrDM
[in] Name of the data member that has changed. This string is interpreted as case-insensitive.
Return Codes
S_OK
The method succeeded.E_FAIL
A provider-specific error occurred.
Comments
The data consumer should release its hold on any data access interfaces for that member (such as IRowset or IRowPosition) and should call IDataSource::getDataMember to get the new data (if available).