Bitmap[] tempArray=new LayerBitmapBuffer[bitmapCount];
for (int y=0;y<bitmapCount;++y)
{
  layerBitmapBufferTemp[y]=bitmapArray[0][y];
}
for (int x=1;x<bitmapCount;++x)
{
  for (int y=0;y<bitmapCount;++y)
  {
    bitmapArray[x-1][y]=bitmapArray[x][y];
  }
}
for (int y=0;y<bitmapCount;++y)
{
  bitmapArray[bitmapCount-1][y]=tempArray[y]; //These are the bitmaps that need to be redrawn
}