[System.Reflection.Assembly]::LoadWithPartialName("'Microsoft.VisualBasic") | Out-Null
[System.Reflection.Assembly]::LoadWithPartialName("'System.Windows.Forms") | Out-Null
[System.Windows.Forms.SendKeys]::SendWait("{F8}")

$wshell = New-Object -ComObject wscript.shell
$wshell.SendKeys("{F8}")