.NET WPF MDI Document-.NET WPF MDI

Wpf中用TabControl做的分页选项卡界面,如果准备打开的子窗口在主界面中没有则打开，有则激活到当前页。-Wpf do pagination using TabControl tab interface, if you are going to open a child window does not open the main interface, there is activated to the current page.