UpdateData(TRUE);和UpdateData(false);在这句话中意思是什么
最爱老潇 2012-07-19 10:43:43 void CCalculatorDlg::Count()
{
UpdateData(TRUE);
switch(m_Operator)
{
case '+':
m_Num += m_Result;
break;
case '-':
m_Num -= m_Result;
break;
case '*':
m_Num *= m_Result;
break;
case '/':
if(m_Result == 0)
{
MessageBox("除数不能为0");
return;
}
m_Num /= m_Result;
break;
default:
m_Num = m_Result;
break;
}
m_Result = m_Num;
m_Operator = ' ';
m_bCalc = FALSE;
UpdateData(FALSE);
}