内容来自:https://codereview.stackexchange.com/questions/20871/single-instance-wpf-application 第一步:添加System.RunTime.Remoting引用 第二步:新建一个类class1.cs(按自己想法命名) using System; using System.Collections; using System.Collections.Generic; using System.ComponentMode
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setwindowpos https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setforegroundwindow Brings the thread that created the specified window into the foreground and a