CString -> char*

CString str;

char *szStr = (LPSTR)(LPCTSTR)str;

char* -> CString

CString str;

str.Format(_T("%s"), szStr);

CString -> int

CString str(_T("123"));

int num = atoi(LPCTSTR(str));

CString에 LPCTSTR operator가 정의.

int -> CString

CString str;

int num = 6;

str.Format(_T("%d"),num);

CString -> double

CString str(_T("1.23"));

double num = atof(LPCTSTR(str));

double -> CString

CString str;

float num = 1.23;

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

출처 : 데브피아