Focus Last Active Window on Other Monitor

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Description	This script will focus the window that was last active on the other monitor.
Language	C# (.Net)
Minimum Version	8.0+
Created By	Joe Burke Minor Jr.57100, Thomas Malloch (BFS)
Contributors	-
Date Created	Sep 14, 2016
Date Last Modified	Aug 1, 2017

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// This script is a modified version of Thomas Malloch's "Focus Last Active Window on Other Monitor", last modified Sep 14, 2016. // The original script can be found here: // https://www.displayfusion.com/ScriptedFunctions/View/?ID=feb3f25b-de43-40d3-bddc-23a13bdde7bb // // The following items have been changed // - IsDisplayFusionWindowOrHiddenExplorerWindow now stores "BFS.Window.GetClass(window)" into a string, whereas it was executed in each IF check // - The typo "visable" was corrected to "visible" // - "using System.Drawing;" has been removed because it is not used. // // Modification by wolfreak99 using System; using System.Collections.Generic; using System.Runtime.InteropServices; // The 'windowHandle' parameter will contain the window handle for the: // - Active window when run by hotkey // - Window Location target when run by a Window Location rule // - TitleBar Button owner when run by a TitleBar Button // - Jump List owner when run from a Taskbar Jump List // - Currently focused window if none of these match public static class DisplayFusionFunction { [DllImport("user32.dll", SetLastError = true)] static extern IntPtr GetWindow(IntPtr hWnd, uint uCmd); const uint GW_HWNDNEXT = 2; public static void Run(IntPtr windowHandle) { //all visible windows //use a dictionary for quick access. wish .NET 2 had a hashset Dictionary<IntPtr, int> visibleWindows = new Dictionary<IntPtr, int>(); foreach(IntPtr window in BFS.Window.GetVisibleWindowHandles()) visibleWindows.Add(window, 0); //get the monitor id that the current window is in uint currentMonitorId = BFS.Monitor.GetMonitorIDByWindow(windowHandle); //enumerate through all windows, starting with the focused window, and moving down for (IntPtr window = windowHandle; window != IntPtr.Zero; window = GetWindow(window, GW_HWNDNEXT)) { //if it isn't a visible window, continue if (!visibleWindows.ContainsKey(window)) continue; //check if it's a displayfusion or hidden explorer window. if so, skip it. //this will avoid adding titlebar button and other things if (IsDisplayFusionWindowOrHiddenExplorerWindow(window)) continue; //get the monitor this window is in. if the window are in the same monitor, ignore it if (BFS.Monitor.GetMonitorIDByWindow(window) == currentMonitorId) continue; //if we got this far, that means this window is the topmost window on the other window. switch to it BFS.Window.Focus(window); break; } } private static bool IsDisplayFusionWindowOrHiddenExplorerWindow(IntPtr window) { //ignore any DisplayFusion windows (title bar buttons, etc.) //ignore pesky hidden explorer.exe windows string windowClass = BFS.Window.GetClass(window); if ((windowClass.StartsWith("DF", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("EdgeUiInputTopWndClass", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("EdgeUiInputWndClass", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("NativeHWNDHost", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("ModeInputWnd", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("MetroGhostWindow", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("ImmersiveLauncher", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("ApplicationManager_ImmersiveShellWindow", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("Shell_TrayWnd", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("WorkerW", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("Progman", StringComparison.OrdinalIgnoreCase)) || (windowClass.Equals("SearchPane", StringComparison.OrdinalIgnoreCase))) { return true; } return false; } }