int num1,num2,num3;
CString str1,str2,str3;
GetDlgItem(IDC_EDIT1)->GetWindowText(str1);
GetDlgItem(IDC_EDIT2)->GetWindowText(str2);
num1 = _ttoi(str1);
num2 = _ttoi(str2);
num3 = num1 + num2;
str3.Format(_T("%d"),num3);
GetDlgItem(IDC_EDIT3)->SetWindowText(str3);MFC int 和CString的相互转化实例,布布扣,bubuko.com
原文:http://blog.csdn.net/h_wlyfw/article/details/20645513