Listing 4.2.ps1

function button ($title,$mailbx, $WF, $TF) {
  ###################Load Assembly for creating form & button######
  [void][System.Reflection.Assembly]::LoadWithPartialName( "System.Windows.Forms")
  [void][System.Reflection.Assembly]::LoadWithPartialName( "Microsoft.VisualBasic")

  #####Define the form size & placement
  $form = New-Object "System.Windows.Forms.Form";
  $form.Width = 500;
  $form.Height = 150;
  $form.Text = $title;
  $form.StartPosition = [System.Windows.Forms.FormStartPosition]::CenterScreen;

  ##############Define text label1
  $textLabel1 = New-Object "System.Windows.Forms.Label";
  $textLabel1.Left = 25;
  $textLabel1.Top = 15;

  $textLabel1.Text = $mailbx;

  ##############Define text label2

  $textLabel2 = New-Object "System.Windows.Forms.Label";
  $textLabel2.Left = 25;
  $textLabel2.Top = 50;

  $textLabel2.Text = $WF;

  ##############Define text label3

  $textLabel3 = New-Object "System.Windows.Forms.Label";
  $textLabel3.Left = 25;
  $textLabel3.Top = 85;

  $textLabel3.Text = $TF;

  ############Define text box1 for input
  $textBox1 = New-Object "System.Windows.Forms.TextBox";
  $textBox1.Left = 150;
  $textBox1.Top = 10;
  $textBox1.width = 200;

  ############Define text box2 for input

  $textBox2 = New-Object "System.Windows.Forms.TextBox";
  $textBox2.Left = 150;
  $textBox2.Top = 50;
  $textBox2.width = 200;

  ############Define text box3 for input

  $textBox3 = New-Object "System.Windows.Forms.TextBox";
  $textBox3.Left = 150;
  $textBox3.Top = 90;
  $textBox3.width = 200;

  #############Define default values for the input boxes
  $defaultValue = ""
  $textBox1.Text = $defaultValue;
  $textBox2.Text = $defaultValue;
  $textBox3.Text = $defaultValue;

  #############define OK button
  $button = New-Object "System.Windows.Forms.Button";
  $button.Left = 360;
  $button.Top = 85;
  $button.Width = 100;
  $button.Text = "Ok";

  ############# This is when you have to close the form after getting values
  $eventHandler = [System.EventHandler]{
    $textBox1.Text;
    $textBox2.Text;
    $textBox3.Text;
    $form.Close();
  };

  $button.Add_Click($eventHandler) ;

  #############Add controls to all the above objects defined
  $form.Controls.Add($button);
  $form.Controls.Add($textLabel1);
  $form.Controls.Add($textLabel2);
  $form.Controls.Add($textLabel3);
  $form.Controls.Add($textBox1);
  $form.Controls.Add($textBox2);
  $form.Controls.Add($textBox3);
  $ret = $form.ShowDialog();

  #################return values

  return $textBox1.Text, $textBox2.Text, $textBox3.Text
} #button