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nA=atoi(a);
nB=atoi(b);
switch(fuhao)
{
case '+':
nResult=nA+nB;
break;
case '-':
nResult=nA+nB;
break;
default:
break;
}
itoa(nResult,result,256);
SetDlgItemText(IDC_RESULT,result);
strcpy(a,"");
strcpy(b,"");
void CFunDlg::OnNum1()
{
// TODO: Add your control notification handler code here
if(!IsDown)
{
a=1;
itoa(a,buff,256);
SetDlgItemText(IDC_RESULT,buff);
}
else
{
b=1;
itoa(b,buff,256);
SetDlgItemText(IDC_RESULT,buff);
}
}
void CFunDlg::OnNum2()
{
if(!IsDown)
{
a=2;
itoa(a,buff,256);
SetDlgItemText(IDC_RESULT,buff);
}
else
{
b=2;
itoa(b,buff,256);
SetDlgItemText(IDC_RESULT,buff);
}
IsDown=!IsDown;
}
void CFunDlg::OnAdd()
{
fuhao='+';
IsDown=!IsDown;
// TODO: Add your control notification handler code here
}
void SetDlgItemText(
int nID,
LPCTSTR lpszString
);
void SetDlgItemText(
int nID,
LPCTSTR lpszString
);
void SetDlgItemText(
int nID,
LPCTSTR lpszString
);