This documentation is archived and is not being maintained.
This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use this feature.
The InPrimaryKey property exposes primary key participation for a Microsoft SQL Server column.
An expression that evaluates to an object in the Applies To list
HRESULT GetInPrimaryKey(LPBOOL pRetVal);
If TRUE, the referenced column is part of a PRIMARY KEY or UNIQUE key constraint defined on the table.
If FALSE, the referenced column is not part of a PRIMARY KEY or UNIQUE key constraint defined on the table.