MFC public methods

1. Character conversions

1) conversion between a narrow character and a wide character

Wstring convertstringtowstring (const std::string & str)
{
int nlen = (int) str.size ();

int nSize = MultiByteToWideChar (CP_ACP, 0, (LPCSTR) str.c_str (), Nlen, 0, 0);

if (nSize <= 0)
{
return L "";
}

WCHAR *PWSZDST = new Wchar[nsize+1];

if (NULL = = PWSZDST)
{
return L "";
}

MultiByteToWideChar (CP_ACP, 0, (LPCSTR) str.c_str (), Nlen, PWSZDST, nSize);

Pwszdst[nsize] = 0;

Wstring wcharstring;

if (pwszdst[0] = = 0xFEFF)//Skip Oxfeff
{
for (int i = 0; i < nSize; i + +)
Pwszdst[i] = pwszdst[i+1];

Wstring wcharString1 (pwszdst,nsize-1);

wcharstring = wcharString1;
}
Else
{
Wstring wcharString2 (pwszdst,nsize);

wcharstring = wcharString2;
}

Delete pwszdst;

return wcharstring;
}

void Conerttchartostring (TCHAR * ori,string * str)
{
int wlen = (int) (Wcslen (ori) + 1);

int Alen=widechartomultibyte (cp_acp,0,ori,wlen,null,0, null,null);

char * LPA = new char [ALen];

WideCharToMultiByte (Cp_acp,0,ori,wlen,lpa, alen,null,null);

*str = LPA;

delete [] LPA;
}

MFC public methods