CObList::GetHeadPosition
POSITIONGetHeadPosition()const;
Return Value
A POSITION value that can be used for iteration or object pointer retrieval; NULL if the list is empty.
Remarks
Gets the position of the head element of this list.
Example
See CObList::CObList for a listing of the CAge
class.
CObList list;
POSITION pos;
list.AddHead( new CAge( 21 ) );
list.AddHead( new CAge( 40 ) ); // List now contains (40, 21).
if( ( pos = list.GetHeadPosition() ) != NULL )
{
ASSERT( *(CAge*) list.GetAt( pos ) == CAge( 40 ) );
}
CObList Overview | Class Members | Hierarchy Chart
See Also CObList::GetTailPosition