Meget simpelt spørgsmål om static

CSharp kode 

 private static Bitmap Pixelate(Bitmap image, Rectangle rectangle, Int32 pixelateSize)
         {
             Bitmap pixelated = new System.Drawing.Bitmap(image.Width, image.Height);
 
             // make an exact copy of the bitmap provided
             using (Graphics graphics = System.Drawing.Graphics.FromImage(pixelated))
                 graphics.DrawImage(image, new System.Drawing.Rectangle(0, 0, image.Width, image.Height),
                     new Rectangle(0, 0, image.Width, image.Height), GraphicsUnit.Pixel);
 
             // look at every pixel in the rectangle while making sure we're within the image bounds
             for (Int32 xx = rectangle.X; xx < rectangle.X + rectangle.Width && xx < image.Width; xx += pixelateSize)
             {
                 for (Int32 yy = rectangle.Y; yy < rectangle.Y + rectangle.Height && yy < image.Height; yy += pixelateSize)
                 {
                     Int32 offsetX = pixelateSize / 2;
                     Int32 offsetY = pixelateSize / 2;
 
                     // make sure that the offset is within the boundry of the image
                     while (xx + offsetX >= image.Width) offsetX--;
                     while (yy + offsetY >= image.Height) offsetY--;
 
                     // get the pixel color in the center of the soon to be pixelated area
                     Color pixel = pixelated.GetPixel(xx + offsetX, yy + offsetY);
 
                     // for each pixel in the pixelate size, set it to the center color
                     for (Int32 x = xx; x < xx + pixelateSize && x < image.Width; x++)
                         for (Int32 y = yy; y < yy + pixelateSize && y < image.Height; y++)
                             pixelated.SetPixel(x, y, pixel);
                 }
             }
 
             return pixelated;

CSharp kode 

 private void pixelateButton_Click(object sender, EventArgs e)
         {
             
         }