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//-----------------------------------------------------------------------
            // Karte initial zeichnen
            //-----------------------------------------------------------------------
            
            for (int iY = iRows-1; iY >=0; iY--)
            {
                for (int iX = 0; iX < iCols; ++iX)
                {
                    feld[iX, iY] = new PictureBox();
                    feld[iX, iY].Image = Armalion.Properties.Resources.Feld;
                    feld[iX, iY].SizeMode = PictureBoxSizeMode.AutoSize;
                    
                    feld[iX, iY].Left = 370 + iX * feld[iX, iY].Width + (iY + 1) % 2 * feld[iX, iY].Width / 2;
                    feld[iX, iY].Top = 25 + iY * feld[iX, iY].Height * 3 / 4;
                    feld[iX, iY].Parent = this;
                    feld[iX, iY].Name = iX + "-" + iY;
                    feld[iX, iY].BackColor = Color.Transparent;
                    feld[iX, iY].MouseClick += new System.Windows.Forms.MouseEventHandler(FeldKlick);
                    //feld[iX, iY].Controls.Add(??);
                }
            }					

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for (int y = rows - 1; y >= 0; y--)
    for (int x = 0; x < cols; x++)
    {
        feld[x, y] = ...;
    }					

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feld[0,0].Controls.Add(feld[0,1]);
feld[0,1].Left = 50;
feld[0,1].Top = 50;					

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const int cols = 7;
        const int rows = 7;
Panel[,] feld = new Panel[rows,cols];

private void KarteZeichnen()
        {
            //-----------------------------------------------------------------------
            // Karte initial zeichnen
            //-----------------------------------------------------------------------
            
            for (int y = 0; y < rows; y++)
            {
                for (int x = 0; x < cols; x++)
                {
                    feld[x,y] = new Panel();
                    feld[x, y].Size = new Size(153, 174);
                    feld[x, y].Left = 370 + x * feld[x, y].Width + (y + 1) % 2 * feld[x, y].Width / 2;
                    feld[x, y].Top = 25 + y * feld[x, y].Height * 3 / 4;
                    feld[x, y].Parent = this;
                    feld[x, y].Name = x + "-" + y;
                    feld[x, y].Paint += new System.Windows.Forms.PaintEventHandler(feldZeichnen);
                    feld[x, y].BackColor = Color.Transparent;
                    feld[x, y].MouseClick += new System.Windows.Forms.MouseEventHandler(FeldKlick);
                }
            }
            Invalidate();
        }

        private void feldZeichnen(object sender, PaintEventArgs e)
        {
            e.Graphics.DrawImage(Armalion.Properties.Resources.Feld, new Rectangle(new Point(0, 0), new Size(153, 174)));
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            //-----------------------------------------------------------------------
            // Es ist wichtig, dass wir (zuerst) die Oberklasse machen lassen.
            //-----------------------------------------------------------------------
            base.OnPaint(e);

            //-----------------------------------------------------------------------
            // Wir lassen sich alle Objekte selbst (neu-)zeichnen.
            //-----------------------------------------------------------------------
            for (int y = 0; y < rows; y++)
            {
                for (int x = 0; x < cols; x++)
                {
                    e.Graphics.DrawImage(Armalion.Properties.Resources.Feld, new Rectangle(new Point(0, 0), new Size(153, 174)));
                }
            }
        }


        private void FeldKlick(object sender, MouseEventArgs e)
        {
            Panel tmp = (Panel)sender;
            MessageBox.Show(tmp.Name);
        }					

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class TransparentPanel : Panel
    {
        public TransparentPanel() : base()
        {
                        
        }
        
        const int WS_EX_TRANSPARENT = 0x00000020;
        
        protected override CreateParams CreateParams
        {
            get
            {
                CreateParams cp = base.CreateParams;
                cp.ExStyle |= WS_EX_TRANSPARENT;
                return cp;
            }
        }

        protected override void OnPaintBackground(PaintEventArgs e)
        {
            //do not paint the background
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            //SolidBrush brush = new SolidBrush(Color.FromArgb(128, this.BackColor));//semi-transparent color.
            e.Graphics.DrawImage(Armalion.Properties.Resources.Feld, new Rectangle(new Point(0, 0), new Size(153, 174)));
        }
    }					

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        const int cols = 7;
        const int rows = 7;

        TransparentPanel[,] feld = new TransparentPanel[rows,cols];

        private void KarteZeichnen()
        {
            //-----------------------------------------------------------------------
            // Karte initial zeichnen
            //-----------------------------------------------------------------------
            
            for (int y = 0; y < rows; y++)
            {
                for (int x = 0; x < cols; x++)
                {
                    feld[x, y] = new TransparentPanel();
                    feld[x, y].Size = new Size(153, 174);
                    feld[x, y].Left = 370 + x * feld[x, y].Width + (y + 1) % 2 * feld[x, y].Width / 2;
                    feld[x, y].Top = 25 + y * feld[x, y].Height * 3 / 4;
                    feld[x, y].Parent = this;
                    feld[x, y].Name = x + "-" + y;
                    feld[x, y].BackColor = Color.Transparent;
                    feld[x, y].MouseClick += new System.Windows.Forms.MouseEventHandler(FeldKlick);
                    this.Controls.Add(feld[x, y]);
                }
            }
        }

        private void FeldKlick(object sender, MouseEventArgs e)
        {
            TransparentPanel tmp = (TransparentPanel)sender;
            MessageBox.Show(tmp.Name);
        }					

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        const int WS_EX_TRANSPARENT = 0x00000020;
        
        protected override CreateParams CreateParams
        {
            get
            {
                CreateParams cp = base.CreateParams;
                cp.ExStyle |= WS_EX_TRANSPARENT;
                return cp;
            }
        }