CObList::GetHeadPosition

Syntax

POSITION GetHeadPosition() const;

Remarks

Gets the position of the head element of this list.

Return Value

A POSITION value that can be used for iteration or object pointer retrieval; NULL if the list is empty.

Example

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 ) );

}

See Also

CObList::GetTailPosition