如何最小化按钮单击后的powershell表单？

Add-Type -AssemblyName System.Windows.Forms

# 创建表单
$form = New-Object System.Windows.Forms.Form
$form.Text = "PowerShell表单"
$form.Size = New-Object System.Drawing.Size(300, 200)

# 创建按钮
$button = New-Object System.Windows.Forms.Button
$button.Text = "最小化"
$button.Location = New-Object System.Drawing.Point(100, 50)
$button.Add_Click({
    # 最小化表单
    $form.WindowState = "Minimized"
})

# 将按钮添加到表单
$form.Controls.Add($button)

# 显示表单
$form.ShowDialog() | Out-Null