Çözüldü C# label değerine göre resim gösterme

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApp3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            label1.Visible = false;
            pictureBox1.Visible = false;
            pictureBox2.Visible = false;
            timer1.Interval = 1000;
            timer1.Start();
            label1.TextChanged += Label1_TextChanged;
        }

        private void Label1_TextChanged(object sender, EventArgs e)
        {
            this.Invoke(new EventHandler(resimYenile));
        }

        private void resimYenile(object sender, EventArgs e)
        {
            if (Convert.ToInt32(label1.Text)>30000)
            {
                pictureBox1.Visible = true;
                pictureBox2.Visible = false;
            }
            else
            {
                pictureBox1.Visible = false;
                pictureBox2.Visible = true;
            }
        }

        void rastGele()
        {
            Random rnd = new Random();
            label1.Text = rnd.Next(0, 60000).ToString();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            rastGele();
        }
    }
}