private void PaintLayer(Graphics g, ILayer layer )
{
if (layer != null)
{
Coordinate leftBottom = new Coordinate(0, 0);
Coordinate rightTop = new Coordinate(0, 0);
this.getBoundingBox(ref leftBottom, ref rightTop);
double halfWindowWidth = this.Width / 2;
double halfWindowHeight = this.Height / 2;
layer.Zoom = this.ZoomValue;
layer.CenterCoord = centerCoord;
layer.LeftBottom = leftBottom;
layer.RightTop = rightTop;
layer.HalfWindowHeight = halfWindowHeight;
layer.HalfWindowWidth = halfWindowWidth;
layer.StartDrawingPoint = startDrawingPoint;
layer.Paint(g);
}
}