public ReturnValueDialog(string parameters)
 {
     InitializeComponent();
     returnValue             = new PHPValue(parameters);
     ReturnValueTextBox.Text = returnValue.ToString();
     PreviewKeyDown         += Dialog_KeyDown;
 }
 private void Dialog_KeyDown(object sender, KeyEventArgs e)
 {
     if (e.Key == Key.Escape)
     {
         Close();
     }
     // TODO : make another way to parse phpValue
     if (e.Key == Key.F)
     {
         returnValue.Parse();
         ReturnValueTextBox.Text = returnValue.ToString();
     }
 }