Windows microphone mute toggle scripts

MicMute.ps1

$source = @"
    [DllImport("user32.dll")] public static extern IntPtr GetForegroundWindow();
    [DllImport("user32.dll")] public static extern IntPtr SendMessageW(IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam);

    private const int WM_APPCOMMAND=0x319;
    private const int APPCOMMAND_MICROPHONE_VOLUME_MUTE=0x180000;
    public static void MicMute(IntPtr h) {
      SendMessageW(h, WM_APPCOMMAND, h, (IntPtr)APPCOMMAND_MICROPHONE_VOLUME_MUTE);
    }
"@
add-type -name CSharp -member $source -namespace Local;
[Local.CSharp]::MicMute([Local.CSharp]::GetForegroundWindow());

Companion helper script MicMute.js

WScript.CreateObject("Shell.Application").ShellExecute(
  "powershell.exe",
  "-File MicMute.ps1",
  "",
  "",
  0
);

Run with

> wscript.exe /e:JScript MicMute.js