C++常用库函数

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MFC数组类

CByteArray:

CDWordArray:

CPtrArray:

CUIntArray:

CWordArray:

CStringArray:

常用成员函数

1.int Add(ARG_TYPE newElement ); throw(CMemoryException );

2.TYPE& ElementAt(int nIndex );

3.void FreeExtra();

4.TYPE GetAt(int nIndex )const

5.int GetSize()const;

6.int GetUpperBound()const;

7.(1)void InsertAt(int nIndex, ARG_TYPE newElement, int nCount = 1 );

throw(CMemoryException );

(2)void InsertAt(int nStartIndex, CArray* pNewArray );

throw(CMemoryException );

8.void RemoveAll();

9.void SetAt(int nIndex, ARG_TYPE newElement );

10.void SetAtGrow(int nIndex, ARG_TYPE newElement ); throw(CMemoryException ); 11.void SetSize(int nNewSize, int nGrowBy = -1 ); throw(CMemoryException );

例:

CStringArray m_strArray

m_strArray.SetSize(5,5);

m_strArray[0] = "111111111111";

m_strArray[2] = "333333333333";

m_strArray[4] = "555555555555";

增加元素

int m_nIndex = 0;

CString m_strValue = "Default";

int m_nRadio = 0;

if (m_nRadio == 0)

m_strArray.SetAtGrow(m_nIndex, m_strValue);

else if (m_nRadio == 1)

m_strArray.Add(m_strValue);

else

m_strArray.InsertAt(m_nIndex, m_strValue, 1);

删除

int m_nIndex= 0;

m_strArray.RemoveAt(m_nIndex);

MFC的链表类

模板类Clist CTypedPtrList

非模板类CObList CPtrList CStringList

MFC链表类的常用成员函数——以Clist为例

1.CList(int nBlockSize = 10 );

2.TYPE GetHead()const;

3.TYPE GetTail()const;

4.RemoveHead()

5.RemoveTail()

6.原型1:POSITION AddHead(ARG_TYPE newElement );

原型2:void AddHead(CList* pNewList );

7.原型1:POSITION AddTail(ARG_TYPE newElement );

原型2:void AddTail(CList* pNewList );

8.RemoveAll()

9.POSITION GetHeadPosition()const;

10.POSITION GetTailPosition()const;

11.TYPE GetNext(POSITION& rPosition )const;

12.TYPE GetPrev(POSITION& rPosition )const;

13.TYPE GetAt(POSITION position )const;

14.void SetAt(POSITION pos, ARG_TYPE newElement );

15.void RemoveAt(POSITION position );

16.POSITION InsertBefore(POSITION position, ARG_TYPE newElement ); 17.POSITION InsertAfter(POSITION position, ARG_TYPE newElement ); 18.POSITION Find(ARG_TYPE searchValue, POSITION startAfter = NULL)const; 19.POSITION FindIndex(int nIndex )const;

20.int GetCount()const;

21.BOOL IsEmpty()const;

例题

struct CStudent

{

CString m_strName;

int m_nScore;

};

CPtrList m_List;

向添加链表中添加元素

CStudent* m_pStudent = new CStudent;

m_pStudent->m_strName = m_strName;

m_pStudent->m_nScore = m_nScore;

m_List.AddTail(m_pStudent);

删除节点

int nNumber;

CStudent* m_pStudent = NULL;

if (m_List.IsEmpty())

MessageBox("结点已经全部删除!";

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