void DrawRect(Draw& w,Rect rectClient,Color fromColor,Color toColor,int level)
{
  Rect rectFill;          // Rectangle for filling band
  float fStep;            // How large is each band?
	
  int iOnBand;  // Loop index
// Determine how large each band should be in order to cover the
// client with 256 bands (one for every color intensity level)
	
  fStep = (float)rectClient.bottom / level*1.0f;
	
// Start filling bands
  for (iOnBand = 0; iOnBand < level; iOnBand++) 
  {
	// Set the location of the current band	
	rectFill.Set(rectClient.left,rectClient.top+(int)(iOnBand * fStep), 
rectClient.right,rectClient.top+(int)((iOnBand+1) * fStep));
	w.DrawRect(rectFill, GradientColor(fromColor,toColor,iOnBand,level));	
  }
}

  DrawRect(w,Rect(10,10,70,80),Yellow(),Black(),256);