public DisablablePairColorElement(DisablableColorElement light, DisablableColorElement dark)
 {
     LightColor = light;
     DarkColor = dark;
 }
 public DisablablePairColorElement()
 {
     LightColor = new DisablableColorElement(Colors.Transparent, false);
     DarkColor = new DisablableColorElement(Colors.Transparent, false);
 }