http://stackoverflow.com/questions/3492739/auto-expanding-layout-with-qt-designer After creating your QVBoxLayout in Qt Designer, right-click on the background of your widget/dialog/window (not the QVBoxLayout, but the parent widget) and select Lay O
GroupBox 控件是由System.Windows.Forms.GroupBox类提供的,作用是为其他控件提供可识别的分组. 可在同一页面,实现多个单选的RadioButton 通常,使用分组框按功能细分窗体,例如,一个学生在璇姐班级和系别时,为了细分窗体,可用两个GroupBox控件来设置,用Text属性来达到分组提示的目的 using System; using System.Collections.Generic; using System.ComponentModel; us