Windows Forms

public partial class UserControl1 : UserControl
   {
       public UserControl1()
       {
           InitializeComponent();
           AutoScroll = true;

       }

       Point _rowColumn;
       Point _widthHeight;
       Rectangle[,] _bound;

       public void Init(int x, int y, int width, int height)
       {
           SetAutoSizeMode(AutoSizeMode.GrowAndShrink);

           _rowColumn = new Point(x, y);
           _bound = new Rectangle[x, y];
           _widthHeight = new Point(width, height);
           _drawArea = new Bitmap(Width, Height);
           LoadTiles();
           _loaded = true;

           AutoScrollMinSize = new Size(x * width, y * height);
       }



       void LoadTiles()
       {
           for (int x = 0; x < _rowColumn.X; x++)
           {
               for (int y = 0; y < _rowColumn.Y; y++)
               {
                   _bound[x, y] = new Rectangle(x* _widthHeight.X, y*_widthHeight.Y, _widthHeight.X, _widthHeight.Y);
               }
           }
       }

       Bitmap _drawArea;
       bool _loaded = false;
       void DrawGrid()
       {
           Graphics gfx = Graphics.FromImage(_drawArea);
           gfx.Clear(Color.White);
           Pen pen = new Pen(Color.Black,1);

           foreach (Rectangle r in _bound)
           {
               gfx.DrawRectangle(pen, r);
           }

           gfx.Dispose();



       }

       protected override void OnPaint(PaintEventArgs e)
       {

           base.OnPaint(e);
           e.Graphics.Clear(Color.White);

           Matrix mx = new Matrix(1, 0, 0, 1, AutoScrollPosition.X, AutoScrollPosition.Y);

           e.Graphics.Transform = mx;


           e.Graphics.PageUnit = GraphicsUnit.Pixel;
           if (!_loaded) return;

           DrawGrid();
           Graphics gfx = e.Graphics;

           gfx.DrawImage(_drawArea, -AutoScrollPosition.X, -AutoScrollPosition.Y, _drawArea.Width, _drawArea.Height);
           gfx.Dispose();


       }

       private void UserControl1_Paint(object sender, PaintEventArgs e)
       {


       }
   }