MFC 변환(CString,int,char)

CString -> char *

Cstring str;

char *szstr = (lpstr)(lpctstr)str;

char* -> cString 

CString str;

str.format("%s",szstr)

CString ->int

CString str("123);

int num = atoi(lpctstr(str));

operator LPCTSTR() const;

CString -> double

CString str("1.23");

double num = atof(LPCSTR(STR));

double CString

CString str;

float num =.23;

str.Format("%f",num);