The WPF Threading Model has details on this. Look for "Multiple Windows, Multiple Threads."

基本上，您启动一​​个新线程，该线程创建相关窗口，然后调用

Basically, you start a new thread, which creates the relevant window and then calls

System.Windows.Threading.Dispatcher.Run();

为了在新线程上为该窗口运行调度程序.

in order to run a dispatcher for that window, on the new thread.