How to toggle layer visibility in ArcObjects?

Question

ILayer.Visible seems to have no effect - How can I manually manage layer visibility and actually get the map control to update?

ILayer lyr = mapControl.get_Layer(i);

//this works for custom layers that I define but not for Bing_Maps.lyr or ESRI .lyr files that comes with ArcEngine or connections to ArcGIS Online. For composite layers, I also tried iterating through sub layers and setting the visibility to false

lyr.Visible = false;
mapControl.Update();
mapControl.Refresh();
mapControl.ActiveView.Refresh();
mapControl.Invalidate();

are you refreshing or partially refreshing the active view's display? By "manually" do you mean programmatically? — Kirk Kuykendall, Jan 19 '11 at 01:01
Can you share your code? ILayer.Visible Property is the one which is used for this, & is working for me. — Devdatta Tengshe, Jan 19 '11 at 03:48
I added more code and a better description to answer your questions. I did see another post about ILayerFile and noticed that this interface has no visibility property - would it have anything to do with that? — Darren, Jan 24 '11 at 21:35
I experienced problems with layer visibility while using the DynamicDisplay functionality. — patrick, Jun 14 '11 at 16:36
If you get super desperate you can observe a Map Extent changed and Add / Remove ILayer manually. I do this. — patrick, Jun 14 '11 at 16:59
This wouldn't be an issue if Esri implemented INotifyPropertyChanged the way Silverlight/WPF apps do. — Kirk Kuykendall, Jun 14 '11 at 23:40

score 2 · Answer 1 · answered Jun 15 '11 at 13:50

2

If the layer is added to a basemap layer you need to Notify the baselayer that a layer has changed to ensure that it recreate it's display cache: Accessing a basemap sublayer

answered Jun 15 '11 at 13:50

MathiasWestin

4,212
2
29
48

score 0 · Answer 2 · answered Jun 14 '11 at 15:42

0

If you're using a ITOCControl, you can take a look at this featureITOCControl.LayerVisibilityEdit Hope this helps

answered Jun 14 '11 at 15:42

Goldorak84

1,274
9
27

How to toggle layer visibility in ArcObjects?

2 Answers2