/// <summary>
/// 让窗口激活作为前台最上层窗口
/// </summary>
/// <param name="window"></param>
public static void SetWindowToForeground(Window window)
{
// [WPF 让窗口激活作为前台最上层窗口的方法 - lindexi - 博客园](https://www.cnblogs.com/lindexi/p/12749671.html)
var interopHelper = new WindowInteropHelper(window);
var thisWindowThreadId = InteropMethods.GetWindowThreadProcessId(interopHelper.Handle, out _);
var currentForegroundWindow = InteropMethods.GetForegroundWindow();
var currentForegroundWindowThreadId = InteropMethods.GetWindowThreadProcessId(currentForegroundWindow, out _);
// [c# - Bring a window to the front in WPF - Stack Overflow](https://stackoverflow.com/questions/257587/bring-a-window-to-the-front-in-wpf )
// [SetForegroundWindow的正确用法 - 子坞 - 博客园](https://www.cnblogs.com/ziwuge/archive/2012/01/06/2315342.html )
/*
* 1.得到窗口句柄FindWindow
* 2.切换键盘输入焦点AttachThreadInput
* 3.显示窗口ShowWindow(有些窗口被最小化/隐藏了)
* 4.更改窗口的Z Order，SetWindowPos使之最上，为了不影响后续窗口的Z Order,改完之后，再还原
* 5.最后SetForegroundWindow
*/
InteropMethods.AttachThreadInput(currentForegroundWindowThreadId, thisWindowThreadId, true);
window.Show();
window.Activate();
// 去掉和其他线程的输入链接
InteropMethods.AttachThreadInput(currentForegroundWindowThreadId, thisWindowThreadId, false);
// 用于踢掉其他的在上层的窗口
if (window.Topmost != true)
{
window.Topmost = true;
window.Topmost = false;
}
}