How to disable all buttons except one in the click event handler?

Question

I am writing below code. Please someone can tell me that here in switch statement how can I disable all other buttons when any one of them is pressed. I actually want the user to know his luck only once in this application.

  namespace tryAppWFA
   {
      public partial class mainWindow : Form
       {
    public mainWindow()
    {
        InitializeComponent();
    }

    private void button_click(object sender, EventArgs e)
    {
        Button button=(Button)sender;
       switch (button.Name) { 
            case "button1":
               textBox.Text = "Hey ! you may get a car after one year";

               break;
            case "button2":
    textBox.Text = "Hey ! you may get a big super duper House after a year";
                break;
            case "button3":
                textBox.Text = "something";
                break;
            case "button4":
                textBox.Text = "something";
                break;
            case "button5":
                textBox.Text = "somehting"
                break;
           case "exit":
                Environment.Exit(0);
                break;
           default:
            break;

        }

       }
      }
      }

Answer 1

you can do the following to achieve this :
first set your buttons Tag property to the buttons name in your load event of the form :

private void MainForm_Load(object sender, EventArgs e)
{
    button1.Tag = button1.Name;
    button2.Tag = button2.Name;
    btnExit.Tag = btnExit.Name;
    //and so on...

}

then what you want to do is iterate through your controls and disable the ones that are not the clicked one :
Note that here its considered that the buttons are not in a groupbox, if that was the case you would have to iterate through your container which would be the groupbox in that case.

private void button5_Click(object sender, EventArgs e)
{
    foreach (Button item in this.Controls.OfType<Control>().Where(c => c.GetType() == typeof(Button)))
    {
        if (item.Name == btnExit.Name)
            continue;
        item.Enabled = false;
    }
    Button button = (Button)sender;
    switch (button.Name)
    {
        case "button1":
            textBox.Text = "Hey ! you may get a car after one year";
            break;
        case "button2":
            textBox.Text = "Hey ! you may get a big super duper House after a year";
            break;
        case "button3":
            textBox.Text = "something";
            break;
        case "button4":
            textBox.Text = "something";
            break;
        case "button5":
            textBox.Text = "somehting";
             break;
        default:
            break;
    }
}

edit: i also removed the exit button from the switch statement.