Notifies the data consumer that an existing data member has become available, unavailable, or refreshed.
HRESULT dataMemberChanged(
DataMemberbstrDM);
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 in order to get the new data (if available).