_TCHARתint£¬intת_TCHAR

int num1,num2,num3;
//CString ch1,ch2,ch3;
_TCHAR ch1[10],ch2[10],ch3[10];
GetDlgItemText(IDC_EDIT1,ch1,10);
GetDlgItemText(IDC_EDIT2,ch2,10);
num1=_tstoi(ch1);
num2=_tstoi(ch2);
char ch[10];
num3=num1+num2;
_itow_s(num3,ch3,10);
SetDlgItemText(IDC_EDIT3,ch3);