/// <summary>
/// Called when a selection of the station has changed.
/// </summary>
private void onStationChanged(object sender, EventArgs e)
{
// Builds a new preview bitmap and set it to the picture box
PreviewDrawer drawer;
drawer = new PreviewDrawer(stationPicture.ClientSize, selectedStation.size);
drawer.drawCenter(selectedStation.sprites);
if (stationPreviewBitmap != null)
{
stationPreviewBitmap.Dispose();
}
stationPicture.Image = stationPreviewBitmap = drawer.createBitmap();
drawer.Dispose();
updateAlphaSprites();
}