CObList::Find

Статья
10/16/2008

Searches the list sequentially to find the first CObject pointer matching the specified CObject pointer.

POSITION Find(
   CObject* searchValue,
   POSITION startAfter = NULL 
) const;

Параметры

searchValue
The object pointer to be found in this list.
startAfter
The start position for the search.

Возвращаемое значение

A POSITION value that can be used for iteration or object pointer retrieval; NULL if the object is not found.

Заметки

Note that the pointer values are compared, not the contents of the objects.

The following table shows other member functions that are similar to CObList::Find.

Class	Member Function
CPtrList	POSITION Find( void* searchValue, POSITION startAfter = NULL ) const;
CStringList	POSITION Find( LPCTSTR searchValue, POSITION startAfter = NULL ) const;

Пример

See CObList::CObList for a listing of the CAge class.

CObList list;
CAge* pa1;
CAge* pa2;
POSITION pos;
list.AddHead(pa1 = new CAge(21));
list.AddHead(pa2 = new CAge(40));    // List now contains (40, 21).
if ((pos = list.Find(pa1)) != NULL) // Hunt for pa1
{                                  // starting at head by default.
    ASSERT(*(CAge*) list.GetAt(pos) == CAge(21));
}