From 7508f39d5e71affa490a64db1261129567e79d0d Mon Sep 17 00:00:00 2001
From: John Lewin <lewin76@gmail.com>
Date: Mon, 1 Jan 2018 11:33:38 -0800
Subject: [PATCH] Don't manipulate caller supplied background

---
 PartPreviewWindow/PopupMenuButton.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PartPreviewWindow/PopupMenuButton.cs b/PartPreviewWindow/PopupMenuButton.cs
index e5658a9d4..4af70858f 100644
--- a/PartPreviewWindow/PopupMenuButton.cs
+++ b/PartPreviewWindow/PopupMenuButton.cs
@@ -46,7 +46,6 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 		{
 			viewWidget.Selectable = false;
 			viewWidget.BackgroundColor = Color.Transparent;
-			this.BackgroundColor = ApplicationController.Instance.Theme.SlightShade;
 
 			this.DisabledColor = new Color(ActiveTheme.Instance.SecondaryTextColor, 50);
 		}
@@ -101,6 +100,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 		protected override void OnBeforePopup()
 		{
+			// Force off-white if content has transparent background
 			if (this.PopupContent.BackgroundColor == Color.Transparent)
 			{
 				this.PopupContent.BackgroundColor = new Color("#f6f6f6");