Move all open windows to the main monitor with PowerShell

MoveAllWindowsToMainMonitor.ps1

# Load the necessary user32.dll functions
Add-Type @"
    using System;
    using System.Runtime.InteropServices;
    public class User32 {
        [DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool GetWindowRect(IntPtr hWnd, out RECT lpRect);

        [DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool MoveWindow(IntPtr hWnd, int X, int Y, int nWidth, int nHeight, [MarshalAs(UnmanagedType.Bool)] bool bRepaint);

        public struct RECT {
            public int Left;
            public int Top;
            public int Right;
            public int Bottom;
        }
    }
"@

# Get the primary monitor's dimensions
$primaryMonitor = [System.Windows.Forms.Screen]::PrimaryScreen
$primaryScreenWidth = $primaryMonitor.Bounds.Width
$primaryScreenHeight = $primaryMonitor.Bounds.Height

# Get all open windows
$windows = Get-Process | Where-Object { $_.MainWindowTitle -ne "" } | ForEach-Object { $_.MainWindowHandle }

# Iterate through each window
foreach ($window in $windows) {
    # Get the current window rectangle
    $rect = New-Object User32+RECT
    [User32]::GetWindowRect($window, [ref]$rect) | Out-Null

    # Move the window to the primary monitor
    [User32]::MoveWindow($window, 0, 0, $rect.Right - $rect.Left, $rect.Bottom - $rect.Top, $true) | Out-Null
}