[mapguide-users] MapGuide Fusion API - turn on/off Layers or LayerGroups and Query

[RenoSun]

Hi guys,

I did following Java Scripts to turn on the layers in my fusion html.

var mapWidget = Fusion.getMapById('Map');
 mapWidget.aMaps[0].getLayerByName('LayerName').show();

, and it works. 

However, after above codes I did "mapWidget.query(options);", and it won't
select the features of the layer just turned on. 

All my codes are under var nitPanelHandler = function () {.....}. Should I
put it here or other places?

Does anyone know the codes to turn on/off the map layer groups by using
Fusion API?

I imagine the codes will look like
"mapWidget.aMaps[0].getLayerGroupByName('LayerName').show();", and I also
tried to find the API reference for the solution. However, I have no luck so
far.

Thanks for all your helps!



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