Update drawing styles on changing Underlay checkbox #3172

src/blenderbim/blenderbim/bim/module/drawing/operator.py

@@ -1606,7 +1606,8 @@ class ActivateDrawingStyle(bpy.types.Operator, Operator):
         active_drawing_style_index = scene.camera.data.BIMCameraProperties.active_drawing_style_index
 
         if active_drawing_style_index >= len(scene.DocProperties.drawing_styles):
-            return
+            self.report({"ERROR"}, "Could not find active drawing style")
+            return {"CANCELLED"}
 
         self.drawing_style = scene.DocProperties.drawing_styles[active_drawing_style_index]
 

src/blenderbim/blenderbim/bim/module/drawing/prop.py

@@ -178,6 +178,9 @@ def update_schedule_name(self, context):
 
 def update_has_underlay(self, context):
     update_layer(self, context, "HasUnderlay", self.has_underlay)
+    if self.has_underlay:
+        bpy.ops.bim.reload_drawing_styles()
+        bpy.ops.bim.activate_drawing_style()
 
 
 def update_has_linework(self, context):