Focus Topmost Window on Specific Monitor

Return to DisplayFusion Scripted Functions (Macros)

Description	This script will focus the topmost window on the monitor specified on line 17.
Language	C#.net
Minimum Version	9.5+
Created By	Keith Lammers (BFS)
Contributors	Thomas Malloch (BFS)
Date Created	Jul 30, 2019
Date Last Modified	Jul 30, 2019

Scripted Function (Macro) Code

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using System; using System.Collections.Generic; using System.Drawing; using System.Runtime.InteropServices; public static class DisplayFusionFunction { [DllImport("user32.dll", SetLastError = true)] private static extern IntPtr GetWindow(IntPtr hWnd, uint uCmd); // Some constants const uint GW_HWNDNEXT = 2; public static void Run(IntPtr windowHandle) { // Set the monitor ID here uint monitorID = 401; // Find the topmost window on the next monitor IntPtr window = GetTopmostWindowOnMonitor(monitorID); // Focus the next window on the next monitor BFS.Window.Focus(window); } private static IntPtr GetTopmostWindowOnMonitor(uint id) { // Get the visible window handles for that monitor HashSet<IntPtr> visibleWindows = new HashSet<IntPtr>( BFS.Window.GetVisibleWindowHandlesByMonitor(id) ); // Enumerate through the monitors, starting with the focused window, and moving down // Only enumerate if we havn't found the windows yet for(IntPtr window = BFS.Window.GetFocusedWindow(); ; window = GetWindow(window, GW_HWNDNEXT)) { // Check to see if there are no windows left if(window == IntPtr.Zero) break; // Check to see if the window is visible. if it's not, ignore it if(!visibleWindows.Contains(window)) continue; // If it is a window we should ignore, ignore it if(IsDisplayFusionWindowOrHiddenExplorerWindow(window)) continue; // Get the monitor this window is in uint monitor = BFS.Monitor.GetMonitorIDByWindow(window); // If the monitor isn't in our collection, get the next window if(id != monitor) continue; return window; } // Return IntPtr.Zero if we didn't find anything return IntPtr.Zero; } private static bool IsDisplayFusionWindowOrHiddenExplorerWindow(IntPtr window) { // Ignore any DisplayFusion windows (title bar buttons, etc.) // Ignore pesky hidden explorer.exe windows if((BFS.Window.GetClass(window).StartsWith("DF", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("EdgeUiInputTopWndClass", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("EdgeUiInputWndClass", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("NativeHWNDHost", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("ModeInputWnd", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("MetroGhostWindow", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("ImmersiveLauncher", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("ApplicationManager_ImmersiveShellWindow", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("Shell_TrayWnd", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("WorkerW", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("Progman", StringComparison.OrdinalIgnoreCase)) || (BFS.Window.GetClass(window).Equals("SearchPane", StringComparison.OrdinalIgnoreCase))) { return true; } return false; } }