void main(void) { int i = 10; printf("i: %d\n", i); { int i = 100; /* This statement is fine since it is akin to defining a local function within the function. */ /* 此语句很精炼, 因为它在函数中定义了一局部函数的同族。*/ printf("i: %d\n", i); } printf("i: %d\n", i); }
代码清单 6 CRecentFileListEx()函数class CRecentFileListEx : public CRecentFileList { public: CRecentFileListEx(UINT nStart, LPCTSTR lpszSection, LPCTSTR lpszEntryFormat, int nSize, int nMaxDispLen = AFX_ABBREV_FILENAME_LEN): CRecentFileList(nStart, lpszSection, lpszEntryFormat, nSize, nMaxDispLen) { } BOOL GetDisplayName(CString& strName, int nIndex, LPCTSTR lpszCurDir, int nCurDir, BOOL bAtLeastName = TRUE) const; }; BOOL CRecentFileListDlgApp::InitInstance() { ... LoadStdProfileSettings(); // Load standard INI file options (including MRU) // 载入标准INI文件选项(包括MRU) // Delete the m_pRecentFileList created in the LoadStdProfileSettings. // 删除在LoadStdProfileSettings中创建的m_pRecentFileList。 delete m_pRecentFileList; // The nSize argument of the constructor is set to four because the // LoadStdProfileSettings takes a default of four. If you specify a // different value for the nMaxMRU argument you need to change the // nSize argument for the constructor call. // 因为LoadStdProfileSettings 取默认值4,所以构造器的nSize参数设置为4。 // 如果你为nMaxMRU参数指定不同的值,你需要为构造器呼叫而改变nSize参数。 m_pRecentFileList = new CRecentFileListEx(0, FileSection, FileEntry, 4); m_pRecentFileList->ReadList(); ... } 
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