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If you're running into this issue, please update to the latest DisplayFusion 10.0 Beta.

Notify if Window is on a Different Monitor

This script will show a tray notification if the window is on a different monitor than the mouse cursor.
Minimum Version
Created By
Keith Lammers (BFS)
Date Created
Jun 14, 2019
Date Last Modified
Jun 14, 2019

Scripted Function (Macro) Code

using System;
using System.Drawing;

// The 'windowHandle' parameter will contain the window handle for the:
//   - Active window when run by hotkey
//   - Trigger target when run by a Trigger 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
	public static void Run(IntPtr windowHandle)
        // Get the monitor ID of the mouse cursor, and the window
        uint monitorWindow = BFS.Monitor.GetMonitorIDByWindow(windowHandle);
        uint monitorMouse = BFS.Monitor.GetMonitorIDByXY(BFS.Input.GetMousePositionX(), BFS.Input.GetMousePositionY());
		if (monitorWindow != monitorMouse)
            BFS.Dialog.ShowTrayMessage(BFS.Window.GetText(windowHandle) + " is on monitor #" + monitorWindow.ToString());