misc/powershell/window-always-top.ps1

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param($processName="firefox", $topmost=$true)
Add-Type @"
using System;
using System.Runtime.InteropServices;
public class SFW {
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetForegroundWindow(IntPtr hWnd);
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
static readonly IntPtr HWND_TOPMOST = new IntPtr(-1);
static readonly IntPtr HWND_NOTTOPMOST = new IntPtr(-2);
const UInt32 SWP_NOSIZE = 0x0001;
const UInt32 SWP_NOMOVE = 0x0002;
const UInt32 TOPMOST_FLAGS = SWP_NOMOVE | SWP_NOSIZE;
public static void MakeTopMost (IntPtr hWnd)
{
SetWindowPos(hWnd, HWND_TOPMOST, 0, 0, 0, 0, TOPMOST_FLAGS);
}
public static void MakeNotTopMost (IntPtr hWnd)
{
SetWindowPos(hWnd, HWND_NOTTOPMOST, 0, 0, 0, 0, TOPMOST_FLAGS);
}
}
"@
$h = ((Get-Process $processName).MainWindowhandle.Where({$_ -ne [IntPtr]0}))[0]
if($topmost)
{
[SFW]::MakeTopMost([IntPtr]$h)
[SFW]::SetForegroundWindow([IntPtr]$h)
}
else
{
[SFW]::MakeNotTopMost([IntPtr]$h)
}