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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();
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2  
are you refreshing or partially refreshing the active view's display? By "manually" do you mean programmatically? –  Kirk Kuykendall Jan 19 '11 at 1:01
    
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 3:48
    
edited code formatting –  Petr Krebs Jan 19 '11 at 15:59
    
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

2 Answers 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

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

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