MFC的 CString 学习笔记 -1

CString Class Research (1)

 

1. CString Initialize

                CString use CStringData structure as a buffer to store data and other information.

struct CStringData {                 long nRefs;             // reference count                 int nDataLength;        // length of data (including terminator)                 int nAllocLength;       // length of allocation                 // TCHAR data[nAllocLength]                   TCHAR* data()           // TCHAR* to managed data                                 { return (TCHAR*)(this+1); } };

 

To Create a New CString Object,

if _AFXDLL is define