Declares that no target object version of an origin versioned relationship is pinned.
HRESULT Unpin(void);
Return Value
S_OK
The method completed successfully.
This method failed to complete successfully.
Remarks
You can use this method only for origin relationships. The origin object of the versioned relationship must be unfrozen.
If the origin object of the versioned relationship is checked out to a workspace, the Unpin method will work only from within that workspace.