如何在Powershell窗体中向鼠标右键单击菜单添加选项

Add-Type -TypeDefinition @"
using System;
using System.Runtime.InteropServices;

public class WinAPI
{
    [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
    public static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert);

    [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
    public static extern bool AppendMenu(IntPtr hMenu, uint uFlags, uint uIDNewItem, string lpNewItem);

    [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
    public static extern bool InsertMenu(IntPtr hMenu, uint uPosition, uint uFlags, uint uIDNewItem, string lpNewItem);

    public const uint MF_SEPARATOR = 0x00000800;
    public const uint MF_BYPOSITION = 0x00000400;
    public const uint MF_STRING = 0x00000000;
    public const uint WM_SYSCOMMAND = 0x0112;
}
"@

function ShowContextMenu($form, $x, $y)
{
    $hMenu = [WinAPI]::GetSystemMenu($form.Handle, $false)
    $command = $form.ShowDialog()
    $form.Dispose()
}

$form = New-Object System.Windows.Forms.Form
$form.Text = "Right-Click Menu"
$form.Width = 300
$form.Height = 200

$form.Add_MouseDown({param($sender, $e)
    if ($e.Button -eq "Right")
    {
        ShowContextMenu $form $e.X $e.Y
    }
})

$menuID = 1000
[WinAPI]::AppendMenu([WinAPI]::GetSystemMenu($form.Handle, $false), [WinAPI]::MF_SEPARATOR, 0, $null)
[WinAPI]::AppendMenu([WinAPI]::GetSystemMenu($form.Handle, $false), [WinAPI]::MF_STRING, $menuID, "Custom Option")

$form.ShowDialog()