public PersonForm(PersonFormType type, Person person) : this(type)
 {
     nameInput.Text     = person._firstName;
     lastNameInput.Text = person._lastName;
     ageInput.Text      = person._age.ToString();
     cityInput.Text     = person._city;
 }
        public PersonForm(PersonFormType type) : this()
        {
            switch (type)
            {
            case PersonFormType.Add:
                okButton.Text = "Add";
                break;

            case PersonFormType.Edit:
                okButton.Text = "Edit";
                break;

            case PersonFormType.View:
                okButton.Text         = "OK";
                cancelButton.Visible  = false;
                nameInput.Enabled     = false;
                lastNameInput.Enabled = false;
                ageInput.Enabled      = false;
                cityInput.Enabled     = false;
                break;

            default:
                break;
            }
        }