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Move Window Between Left/Right Monitor Sides (50% width)

This function sizes a window to 50% width, 100% height, and swaps it between the left and right side of the monitor each time it's run.
Minimum Version
Created By
Keith Lammers (BFS)
Thomas Malloch (BFS)
Date Created
Jan 9, 2019
Date Last Modified
Jan 9, 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
//   - 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
	public static void Run(IntPtr windowHandle)
		// If we failed to get the focused window, exit the function
		if (windowHandle == IntPtr.Zero)
		// Get the bounds for the window, and the monitor it's in
		Rectangle windowRect = BFS.Window.GetBounds(windowHandle);
		Rectangle monitorRect = BFS.Monitor.GetMonitorWorkAreaByWindow(windowHandle);
		// Set the new 50% width, 100% height values
		int newWindowWidth = monitorRect.Width / 2;
		int newWindowHeight = monitorRect.Height;
		// Find the space on either side of the window
		int leftSpace =  windowRect.X - monitorRect.X;
		int rightSpace = monitorRect.Width - (windowRect.X - monitorRect.X) - windowRect.Width;
		// If the leftspace is smaller, it is on the left side of monitor.
		// Move it to the right
		if (leftSpace < rightSpace)
			BFS.Window.SetSizeAndLocation(windowHandle, (monitorRect.X + (monitorRect.Width / 2)), monitorRect.Y, newWindowWidth, newWindowHeight);
		// If we got this far, window is on the right
		// Move it to the left
        BFS.Window.SetSizeAndLocation(windowHandle, monitorRect.X, monitorRect.Y, newWindowWidth, newWindowHeight);