[Visual Studio][Working] - Infinite Panel Loop

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;
using System.Threading;

namespace gameCreation
{
    public partial class Form1 : Form
    {
        int panelCount;

        public Form1()
        {
            InitializeComponent();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            int trueX = Cursor.Position.X - this.Location.X;
            int trueY = Cursor.Position.Y - this.Location.Y;

            foreach(Panel P in this.Controls)
            {
                if(P != null)
                {
                    if (trueX < this.Width && trueX > (this.Width - 50) && trueY < 112 && trueY > 12)
                    {
                        ((Panel)P).SetBounds(((Panel)P).Location.X - 3, ((Panel)P).Location.Y, 200, 100);
                    }
                }

                if (((Panel)P).Location.X <= (0 - ((Panel)P).Width))
                {
                    ((Panel)P).SetBounds(((Panel)P).Location.X + (panelCount * 200) + (panelCount * 6), ((Panel)P).Location.Y, 200, 100);
                }
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            foreach(Panel P in this.Controls)
            {
                panelCount++;
            }
        }
    }
}