Are you mixing som 1.1 and 1.2 API's ?
There were some changes to how the Layers are stored in 1.2.
Make sure your application has the same DLL's as present in the
installation
Regards, Kenneth, GEOGRAF A/S
Gunter Becker skrev:
Hi,
several months ago I created a webapplication with MapGuideOpenSource 1.1.
Now with release 1.2 this code doesn't work anymore but I can't figure out
what has changed.
The following gets the current runtime map:
MgMap map = new MgMap();
MgResourceIdentifier mapId = new MgResourceIdentifier("Session:" +
MgSessionId + @"//" + MapName + "." + MgResourceType.Map);
map.Open(ResourceService, mapId);
I've tested with "Web Tier Test" that the resource exists and also that the
map object was instantiated.
The map object has correct properties but it seems that I can't get any
layers with the GetLayers() methode.
MgLayerCollection layers = currentMap.GetLayers(); // Error - The
requested operation is invalid
foreach (MgLayer layer in layers)
{
....
This is the error code:
The requested operation is invalid.
Exception occurred in method MgMap.UnpackLayersAndGroups at line 640 in file
c:\build_bond_area\mapguide_open_source_v1.2\build_18.1\mgdev\common\mapguidecommon\MapLayer/Map.cpp
Hope someone can help. It worked for me with MGOS 1.1!
Gunter
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