Create a function that takes an input of a service name and prompt the user to stop or start that service

Serviceprompt.ps1

Function serviceprompt
{
    $serviceName = Read-Host "Please enter the service name "
    $serviceStatus =(Get-Service $serviceName).status
    if ($serviceStatus -match "Running") { `
      $stopPrompt =Read-Host "This service is running do you want to stop it? Y\N " 
      if ($stopPrompt -eq "Y") { `
          stop-service $serviceName 
          Write-Output "stopping the $servicename Service"} `
      Else {Write-output "Leaving Service $serviceStatus"}} `
    ElseIF ($serviceStatus -match "Stopped"){  `
      $startPrompt =Read-Host "This service is stopped do you want to start it? Y\N " 
      if ($startPrompt -eq "Y") { `
          start-service $serviceName 
          Write-Output "starting the $servicename Service"} `
      Else {Write-output "Leaving Service $serviceStatus"}} `
    Else { Write-Output "Service is in $ServiceState State"}
}
serviceprompt

http://bartdesmet.net/blogs/bart/archive/2006/09/16/4429.aspx

Not working yet

Servicepromptgui.ps1 

Function serviceprompt
{
    [system.reflection.assembly]::Load("System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")
    #[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
    
    $serviceName = Read-Host "Please enter the service name "
    $serviceStatus =(Get-Service $serviceName).status
    if ($serviceStatus -match "Running") { `
        $strMessage = "This service is running do you want to stop it?"
        $stopmsgBox = [Windows.Forms.MessageBox]::Show($strMessage, "Stop Service?", `
          [Windows.Forms.MessageBoxButtons]::YesNo, [Windows.Forms.MessageBoxIcon]::Question)
          #$stopmsgBox -eq [Windows.Forms.DialogResult]::Yes
        if ($stopPrompt -eq "Yes") { `
            #stop-service $serviceName 
            Write-Output "stopping the $servicename Service"} `
        Else {Write-output "Leaving Service $serviceStatus"}} `
    ElseIF ($serviceStatus -match "Stopped"){  `
        $strMessage = "This service is stopped do you want to start it?"
        $stopmsgBox = [Windows.Forms.MessageBox]::Show($strMessage, "Start Service?", `
          [Windows.Forms.MessageBoxButtons]::YesNo, [Windows.Forms.MessageBoxIcon]::Question)
        if ($startPrompt -eq "Y") { `
            start-service $serviceName 
            Write-Output "starting the $servicename Service"} `
        Else {Write-output "Leaving Service $serviceStatus"}} `
    Else { Write-Output "Service is in $ServiceState State"}
}
serviceprompt

ClassChallenge.ps1

Function StopStart-Service
{
    $sService = $args[0]
    $baction  = $args[1]
    $response = $args[2]
    
    Write-Host $response
    
    if ($response -eq "Yes")
    {
        if ($baction -eq "Stop")
        {
            Get-Service $sservice | Stop-Service
        }
        ElseIf ($baction -eq "Start")
        {
            Get-Service $sService | Start-Service
        }
        Else
        {
            Write-Host "User terminated!"
        }
    }
    Else
    {
        Write-Host "No Action required "
    }
}

#uncomment the next two lines to read from a passed argument and comment the 2 lines after that
#$sService = $args[0]
#Write-Host "Service Name: $service"
[system.reflection.assembly]::loadwithpartialname("microsoft.visualbasic") 
$serviceName = [microsoft.visualbasic.interaction]::InputBox("please enter a service name.", "Service Name")

$oService = Get-Service $sService
$Prompt = " The service $($oService.DisplayName) is currently"
$iButtons = 4 # yes/no buttons
$sTitle = "Action Required!"

#$oService.status

if ($oService.Status -eq "Stopped")
{
    $Prompt = $Prompt + " Stopped. Would you like to start it?"
    $sResponse = [microsoft.visualbasic.interaction]::MsgBox($prompt,$iButtons,$sTitle)
    stopstart-service $sService "Start" $sResponse
    (Get-Service $sService).status
}
Elseif ($oService.Status -eq "Running")
{
    $Prompt = $Prompt + " Running. Would you like to stop it?"
    $sResponse = [microsoft.visualbasic.interaction]::MsgBox($prompt,$iButtons,$sTitle)
    stopstart-service $sService "Stop" $sResponse
    (Get-Service $sService).status
}
Else
{
    Write-Host "blah"
}