private void SetButtonColors()
{
Catchment c = currentCatchment();
lblCurrent.Text = c.id.ToString() + " " + c.CatchmentName;
Common.SetButtonColor(c, c.getRetention(), btnRetention);
Common.SetButtonColor(c, c.getWetDetention(), bthDetention);
Common.SetButtonColor(c, c.getExfiltration(), btExfiltration);
Common.SetButtonColor(c, c.getPerviousPavement(), btnPeriousPavement);
Common.SetButtonColor(c, c.getStormwaterHarvesting(), btnStormwaterHarvesting);
Common.SetButtonColor(c, c.getFiltration(), btnBiofiltration);
Common.SetButtonColor(c, c.getSwale(), btnSwale);
Common.SetButtonColor(c, c.getRainwaterHarvesting(), btnRainwater);
Common.SetButtonColor(c, c.getVegetatedNaturalBuffer(), btnNaturalBuffer);
Common.SetButtonColor(c, c.getGreenroof(), btnGreenroof);
Common.SetButtonColor(c, c.getVegetatedFilterStrip(), btnFilterStrip);
Common.SetButtonColor(c, c.getRainGarden(), btnRainGarden);
Common.SetButtonColor(c, c.getTreeWell(), btnTreeWell);
Common.SetButtonColor(c, c.getUserDefinedBMP(), btnUserDefined);
Common.SetButtonColor(c, c.getMultipleBMP(), btnBMPs);
}