iflListItem(3)	  Image	Format Library C++ Reference Manual	iflListItem(3)

NAME    [Toc]    [Back]

     iflListItem - an element of an doubly linked list (iflList	or
     iflMultiList)

INHERITS FROM    [Toc]    [Back]

     This is a base class.

HEADER FILE    [Toc]    [Back]

     #include <ifl/iflList.h>

CLASS DESCRIPTION    [Toc]    [Back]

     iflListItem is a base class from which to derive elements to be placed in
     either an iflList or an iflMultiList.

   Using iflListItem    [Toc]    [Back]
     To	make a list of integers, for example, define a derivation of
     iflListItem to hold the integer:

	  struct intItem : public iflListItem {
	      intItem(int val) { i = val; }
	      int i;
	  };


     This class	can then be used to build a list of integer values:

	  iflList<intItem> list;
	  for (int i = 0; i < 10; i++)
	      list.append(new intItem(i));

CLASS MEMBER FUNCTION SUMMARY    [Toc]    [Back]

   Constructor
	  iflListItem()


   Initialization    [Toc]    [Back]
	  void initLinks()


   Manipulation    [Toc]    [Back]
	  void unlink()


   Query    [Toc]    [Back]










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iflListItem(3)	  Image	Format Library C++ Reference Manual	iflListItem(3)



	  int isLinked()

FUNCTION DESCRIPTIONS    [Toc]    [Back]

     iflListItem()

	  iflListItem()


	  Creates an iflListItem with NULL linkage (not	part of	any list).

     initLinks()

	  void initLinks()


	  Reset	the linkage of this item to NULL.  This	is mainly used is
	  special initialization cases (like allocation	from a shared arena).

     isLinked()

	  int isLinked()


	  Returns TRUE if this item is currently on a list, FALSE otherwise.

     unlink()

	  void unlink()


	  Removes an item from whatever	list it	is currently linked on to. Bad
	  things will happen if	you call this method on	an item	that is
	  already unlinked.

SEE ALSO    [Toc]    [Back]

     iflList, iflMutliList, iflListIter, iflListIterRev


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