[mapguide-users] Updating viewer state of layer activation

[Kenneth Skovhede, GEOGRAF A/S]

I have struggled with this as well.

The problem is that the legend is very slow at loading.
To counter this, it caches much data, but the invalidate does not occur.

I have summed up some of it here (including a fix):
http://trac.osgeo.org/mapguide/ticket/167

Regards, Kenneth Skovhede, GEOGRAF A/S



Carl Jokl skrev:
> I was hoping to get some guidence as to how to change the layers which are
> visible/enabled on the client side Ajax viewer.
>
> I have code which works already on the server side updating the layer
> visibility in the server side .Net MgLayer objects and then having the
> client refresh. This changes the visiblility of the layer however the client
> side viewer does not update the layers frame to reflect the change even when
> the layers frame is refreshed. What is more is that although the layer
> visibility changes the client can only select from it based on whether the
> client side layers tree has the layer as checked there.
>
> I have been digging into the viewer api to try and find a way of changing
> the layer activation on the client but so far have not been successful.
>
> Can anyone help?
>