C# oyun yapımı hk

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.Collections;
namespace projem
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        ArrayList ucaklar = new ArrayList();
     int ucak_sayisi=50;
       
        private vo id ucak_olustur()      
        {
            for (int i = 0; i <ucak_sayisi ; i++) 
            {
                PictureBox ucak = new PictureBox();
                ucak.Size = new Size(40, 80);
                ucak.SizeMode = PictureBoxSizeMode.Zoom;
                ucak.ImageLoca tion = "ucak.png";
                ucak.Loca tion = new Point(286,0);
                ucak.Visible = false;
                this.Controls.Add(ucak);
                ucaklar.Add(ucak);
            }
        }
        private  vo id ucak_hareket()
        {
            PictureBox ucak = new [COLOR="Red"]([/COLOR](PictureBox)ucaklar[0]);[COLOR="Green"]//kırmızı olan parantezin altı kırmızı ve sadece type expected yazıyor ve programı derlemiyor [/COLOR]
            ucak.Visible = true;
            ucak.Top = ucak.Top + 15;
        }
        private  vo id Form1_KeyDown_1(object sender, KeyEventArgs e)
        {
            int x = pictureBox1.Loca tion.X;
            int y = pictureBox1.Loca tion.Y; 
            if(e.KeyCode==Keys.Right && x<751)
            {
                x = x + 15;
                
            }
            if(e.KeyCode==Keys.Left && x>0)
            {
                x = x - 15;
            }
            pictureBox1Loca tion = new Point(x,y);

        }//ucak savar hareket

        private  vo id Form1_Load(object sender, EventArgs e)
        {
            this.FormBorderStyle = FormBorderStyle.FixedSingle;//
            ucak_olustur();
            timer1.Start();
        }

        private  vo id timer1_Tick(object sender, EventArgs e)
        {
            ucak_hareket();
        }
    }
}