From d4a3d49e4d4f330454354cb64765088cfb3cd25a Mon Sep 17 00:00:00 2001
From: Xavier Schott <assembla@thegothicparty.com>
Date: Sat, 15 Apr 2017 09:09:41 -0700
Subject: [PATCH] Generalized UIImage use in TGPDiscreteSlider

---
 TGPControls/TGPDiscreteSlider.swift | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/TGPControls/TGPDiscreteSlider.swift b/TGPControls/TGPDiscreteSlider.swift
index b28c04b..fbfcddc 100644
--- a/TGPControls/TGPDiscreteSlider.swift
+++ b/TGPControls/TGPDiscreteSlider.swift
@@ -132,6 +132,8 @@ public class TGPDiscreteSlider:TGPSlider_INTERFACE_BUILDER {
         didSet {
             if let thumbImage = thumbImage {
                 thumbLayer.contents = thumbImage.cgImage
+            } else {
+                thumbLayer.contents = nil
             }
             layoutTrack()
         }