govno

private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
        {
            int pheight = pictureBox1.Size.Height;
            int pwidth = pictureBox1.Size.Width;
            int gcount = 0;
            int vcount = 0;

            for (int i = pwidth; i > 0; i -= 20)
            {
                vcount++;
            }
            for (int i = pheight; i > 0; i -= 20)
            {
                gcount++;
            }
            vcount = vcount % 2 == 0 ? vcount / 2 : vcount / 2 - 1;
            gcount = gcount % 2 == 0 ? gcount / 2 : gcount / 2 - 1;
            PointF xoy = new PointF(pwidth - (20 * vcount), pheight - (20 * gcount)); // начала координат - точка (0;0)            int xn = e.X - pwidth - (20 * vcount); //The location of the cursor in the axe Ox;
            int xn = e.X - pwidth + (20 * vcount);
            int yn = -e.Y +pheight - (20 * gcount); //The location of the cursor in the axe Oy;
            double locX = (double)xn / 20;
            double locY = (double)yn / 20;
            label3.AutoSize = true; //Autosizing of our label;
            label3.Text = String.Format("X: {0: 00.00}, Y: {1: 00.00}", locX, locY);
        }