Infobereich der Taskleiste mittels Batch(CMD) bzw. Powershell aktualisieren

function Refresh-NotificationTrayArea(){
    if (!("Tools.Win32" -as [type])){  
        Add-Type -MemberDefinition '  
        [StructLayout(LayoutKind.Sequential)]
        public struct RECT
        {
            public int left;
            public int top;
            public int right;
            public int bottom;
        }
        [DllImport("user32.dll", SetLastError = true)]public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);  
        [DllImport("user32.dll", SetLastError = true)]public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass,string lpszWindow);  
        [DllImport("user32.dll", SetLastError = true)]public static extern IntPtr GetWindow(IntPtr hWnd, int uCmd);  
        [DllImport("user32.dll")] public static extern bool GetClientRect(IntPtr hWnd, out RECT lpRect);  
        [DllImport("user32.dll")] public static extern int SendMessage(IntPtr hWnd, int uMsg, int wParam, int lParam);  
        ' -Name Win32 -Namespace Tools  
    }
    $main = [Tools.Win32]::FindWindow("Shell_TrayWnd","")  
    $sub = [Tools.Win32]::FindWindowEx($main,[System.IntPtr]::Zero,"TrayNotifyWnd","")  
    $syspager = [Tools.Win32]::FindWindowEx($sub,[System.IntPtr]::Zero,"SysPager","")  
    $trayarea = [Tools.Win32]::GetWindow($syspager,5)
    [Tools.Win32+RECT]$rect = New-Object Tools.Win32+RECT
    [Tools.Win32]::GetClientRect($trayarea,[ref]$rect) | out-null

    for ($x = 0; $x -lt $rect.right; $x += 5){ 
        for ($y = 0; $y -lt $rect.bottom; $y += 5){ 
            [Tools.Win32]::SendMessage($trayarea,0x0200,0,($y -shl 16) + $x) |out-null
        }   
    }
}

Refresh-NotificationTrayArea