Sets or resets the cling attribute of a markup pointer.
HRESULT SetCling( BOOL fCLing );
[in] Value of type BOOL that specifies one of the following possible values.
The pointer will move with the markup surrounding it or will lose its position setting when the markup surrounding it is deleted.
The pointer will stay in its current location when the markup surrounding it is deleted or moved.
Returns S_OK if successful, or an error value otherwise.
The cling attribute determines whether a markup pointer will move or be deleted with the markup around it when the markup is deleted or moved.
By default, a markup pointer does not cling to the markup surrounding it.