堆栈窗口QStackedWidget类也是应用程序中经常见到的。在实际应用中，堆栈窗体多与列表框QListWidget及下拉列表框QComboBox配合使用。本程序实现堆栈窗体QStackedWidget类的使用，当选择左侧列表框中不同的选项是，右侧显示所选的不同的窗体。-The the stack the window QStackedWidget class is also an application often see. In practical applications, the stack form multi-and QComboBox QListWidget and drop-down list box, list box with the. This procedure is the use of the stack the form QStackedWidget class, when the select list box on the left side of different options, the right shows the selected form.