Firefox Tab oder Webpage automatisch aktualisieren

 <meta http-equiv="Refresh" content="5">   

function Get-FireFoxTabs(){
    [void][System.Reflection.Assembly]::LoadWithPartialName("UIAutomationClient")  
    [void][System.Reflection.Assembly]::LoadWithPartialName("UIAutomationTypes")  
    [void][System.Reflection.Assembly]::LoadWithPartialName("UIAutomationProvider")  
    [void][System.Reflection.Assembly]::LoadWithPartialName("UIAutomationClientsideProviders")  
    $cprovider = [System.Reflection.Assembly]::LoadWithPartialName("UIAutomationClientsideProviders")  
    try{
        [Windows.Automation.ClientSettings]::RegisterClientSideProviderAssembly($cprovider.GetName())
    }catch{
        [Windows.Automation.ClientSettings]::RegisterClientSideProviderAssembly($cprovider.GetName())
    }
    if (!("win32.tools" -as [type])){  
        Add-Type –MemberDefinition '  
            [DllImport("user32.dll")] public static extern int SendMessage(IntPtr hWnd, int uMsg, int wParam, int lParam);  
            [DllImport("user32.dll")] public static extern bool SetForegroundWindow (IntPtr hWnd);  
            [DllImport("user32.dll")] public static extern IntPtr GetForegroundWindow();  

        ' -name "tools" -namespace Win32 | out-null  
    }
    $root = [System.Windows.Automation.AutomationElement]::RootElement

    
    Get-Process -Name firefox | %{
        $cond = New-Object System.Windows.Automation.PropertyCondition ([System.Windows.Automation.AutomationElement]::ProcessIdProperty,$_.Id)
        $window = $root.FindFirst([System.Windows.Automation.TreeScope]::Children,$cond)
        if ($window){
            $cond = New-Object System.Windows.Automation.PropertyCondition ([System.Windows.Automation.AutomationElement]::NameProperty,'Browser-Tabs')  
            $tabsbar = $window.FindFirst([System.Windows.Automation.TreeScope]::Children,$cond)
            if ($tabsbar){
                # find tabs
                $cond = New-Object System.Windows.Automation.PropertyCondition ([System.Windows.Automation.AutomationElement]::ControlTypeProperty,[System.Windows.Automation.ControlType]::TabItem)
                $tabs = $tabsbar.FindAll([System.Windows.Automation.TreeScope]::Descendants,$cond)

                # find addressbar object
                $cond = New-Object System.Windows.Automation.PropertyCondition ([System.Windows.Automation.AutomationElement]::NameProperty,'Navigation')  
                $urlbar = $window.FindFirst([System.Windows.Automation.TreeScope]::Children,$cond)
                if ($urlbar){
                    $cond = New-Object System.Windows.Automation.PropertyCondition ([System.Windows.Automation.AutomationElement]::ControlTypeProperty,[System.Windows.Automation.ControlType]::Edit)
                    $urlctl = $urlbar.FindFirst([System.Windows.Automation.TreeScope]::Descendants,$cond)
                }
                $tabs | %{    
                    # activate tab
                    $_.GetCurrentPattern([System.Windows.Automation.InvokePatternIdentifiers]::Pattern).Invoke()

                    # get url of tab
                    $url = ""  
                    if ($urlctl){
                        $url = $urlctl.GetCurrentPattern([System.Windows.Automation.ValuePattern]::Pattern).Current.Value
                    }
                        
                    $obj = [pscustomobject]@{
                        Tab = $_
                        URL = $url
                        Window = $window
                    }

                    $obj | Add-Member -MemberType ScriptMethod -Name Refresh -Value {
                        write-host "Refreshing tab with URL '$($_.URL)'." -F Green  
                        # activate tab
                        $_.Tab.GetCurrentPattern([System.Windows.Automation.InvokePatternIdentifiers]::Pattern).Invoke()
                        # Send F5 via Window-Message
                        [Win32.tools]::SendMessage($_.Window.Current.NativeWindowHandle,256,0x74,0) | out-null
                        [Win32.tools]::SendMessage($_.Window.Current.NativeWindowHandle,257,0x74,65539) | out-null
                    }

                    $obj | Add-Member -MemberType ScriptMethod -Name Activate -Value {
                        write-host "Activating tab with URL '$($_.URL)'." -F Green  
                        # activate tab
                        $_.Tab.GetCurrentPattern([System.Windows.Automation.InvokePatternIdentifiers]::Pattern).Invoke()
                    }
                    $obj
                }
            }
        }
    }
}

# get all tabs
$tabs = Get-FireFoxTabs
while($true){
    # refresh specific tab
    $tabs | ?{$_.URL -eq 'https://administrator.de/latest/'} | %{$_.Refresh()}  
    # sleep x seconds
    sleep 5
}

$wshell.SendKeys('^{TAB}')     # Zum nächsten Tab wechseln  

$wshell.SendKeys('^{1}')   # Zu Tab 1 wechseln  
$wshell.SendKeys('^{2}')   # Zu Tab 2 wechseln  
...