[问题求助] PowerShell对话框倒计时的完善

Add-Type -Ass System.Windows.Forms

$form1 = New-Object Windows.Forms.Form
$timer1 = New-Object Windows.Forms.Timer

$timer1_Tick = {
	$form1.Text = $form1.Text - 1
	if ($form1.Text -eq -1)
	{
		$form1.Close()
	}
}

$form1_MouseEnter = {
	$timer1.Stop()
}

$form1.Controls.Add($label1)
$w=239
$h=80
$form1.ClientSize = "$w, $h"
$form1.Text = '10'
$form1.StartPosition = 'Manual' #对话框的位置
$xWidth = [Windows.Forms.Screen]::PrimaryScreen.WorkingArea.Width #// 获取显示器屏幕宽度
$yHeight = [Windows.Forms.Screen]::PrimaryScreen.WorkingArea.Height #// 高度
$form1.Left = $xWidth/2-$w/2
$form1.Top = $yHeight-50-$h
$form1.add_Load($form1_Load)
$form1.add_MouseEnter($form1_MouseEnter)

# timer1
$timer1.Enabled = $True
$timer1.Interval = 1000
$timer1.add_Tick($timer1_Tick)

$form1.ShowDialog()
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