Get-ScheduledTasks

Function Get-ScheduledTasks
{
    [CmdletBinding()]
    Param
    (
        [Parameter(Mandatory=$true,
                    Position=0)]
        [ValidateNotNullOrEmpty()]
        [String[]]$ComputerName,

        [Parameter(Mandatory=$false,
                    Position=1)]
        [ValidateNotNullOrEmpty()]
        [switch]$HTML
    )

    #Define the script block we'll run on each machine.
    Write-Verbose "Defining script block for each machine"
    $script = {
        $cName = $env:computerName

        #Create schedule COM object and connect to it.
        $taskObj = new-object -com Schedule.Service
        $taskObj.connect($cName)

        #Get the assigned tasks and store them in a custom object
        $taskRoot = $taskObj.getfolder("\")
        $tasks = $taskRoot.GetTasks(0)
        $taskData = $tasks | select Name,
            Enabled,
            @{Name="RunAs";Expression={[xml]$xml = $_.xml ; $xml.Task.Principals.principal.userID}},
            @{Name="Author";Expression={[xml]$xml = $_.xml ; $xml.Task.RegistrationInfo.Author}}

        #Return any detected tasks.
        return $taskData
        }


    try
    {
        #Run the script block against all the servers returned (32 at a time)
        Write-Verbose "Invoking script block on each machine"
        $data = Invoke-Command -ComputerName $ComputerName -ScriptBlock $script -ErrorAction Stop
    }
    catch
    {
        Throw $("There was an error invoking command: {0}" -f $_.exception.message)
    }

    if($HTML)
    {
        #Define the HTML header for the report.
        $style = @'
<style>
body { background-color:#EEEEEE; }
body,table,td,th { font-family:Tahoma; color:Black; Font-Size:10pt }
th { font-weight:bold; background-color:#AAAAAA; }
td { background-color:white; }
</style>
'@

        #Output the server report, sort it, and convert it to HTML and then store it as a string.
        Write-Verbose "Building e-mail report"
        $htmlbody = $data | where {$_.runas -cnotmatch '^S-|^System$'} |
        sort PSComputerName | ConvertTo-Html PSComputerName,Name,Enabled,RunAs,Author -Head $style -PostContent "<br>" | Out-String

        $htmlBody | Out-File .\TaskReport.html -Force
        Invoke-Expression .\TaskReport.html

    }
    else
    {
        Write-Output $data
    }
} #END Get-ScheduledTasks