Remove unused property/helper

PartPreviewWindow/BaseClasses/PartPreview3DWidget.cs

@@ -92,17 +92,6 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			return null;
 		}
 
-		public GuiWidget GenerateHorizontalRule()
-		{
-			return new GuiWidget()
-			{
-				Height = 1,
-				Margin = new BorderDouble(0, 1, 0, 3),
-				HAnchor = HAnchor.ParentLeftRight,
-				BackgroundColor = new RGBA_Bytes(255, 255, 255, 200)
-			};
-		}
-
 		private void CheckSettingChanged(object sender, EventArgs e)
 		{
 			StringEventArgs stringEvent = e as StringEventArgs;
@@ -118,8 +107,6 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			}
 		}
 
-		public virtual bool InEditMode { get { return false; } }
-
 		private void RecreateBed()
 		{
 			double buildHeight = ActiveSliceSettings.Instance.GetValue<double>(SettingsKey.build_height);

PartPreviewWindow/View3D/View3DWidget.cs

@@ -547,17 +547,14 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 
 			set
 			{
-				if (InEditMode)
-				{
-					// <IObject3D>
-					dragDropSource = value;
+				// <IObject3D>
+				dragDropSource = value;
 
-					// Clear the DragSourceModel - <ILibraryItem>
-					DragSourceModel = null;
+				// Clear the DragSourceModel - <ILibraryItem>
+				DragSourceModel = null;
 
-					// Suppress ui volumes when dragDropSource is not null
-					meshViewerWidget.SuppressUiVolumes = (dragDropSource != null);
-				}
+				// Suppress ui volumes when dragDropSource is not null
+				meshViewerWidget.SuppressUiVolumes = (dragDropSource != null);
 			}
 		}
 
@@ -2242,8 +2239,6 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			}
 		}
 
-		public override bool InEditMode => true;
-
 		public Vector2 DragSelectionStartPosition { get; private set; }
 		public bool DragSelectionInProgress { get; private set; }
 		public Vector2 DragSelectionEndPosition { get; private set; }