Question

怎么限制QLineEdit输入字符串的长度

Answer 1

lineEdit->setMaxLength(10); //设置最大输入字符串长度10

Answer 2

CListBox *box=(CListBox *)dlg->GetDlgItem(IDC_LIST_INFO); VCI_CAN_OBJ frameinfo[50]; VCI_ERR_INFO errinfo; int len=1; int i=0; CString str,tmpstr;