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I find that to be difficult at first.<br>
In the javascript you only have an Xml that contains<br>
<tt><FeatureSet><br>
<Layer id="guid><br>
<Class id="schema"><br>
<ID>base64encoded_id</ID><br>
</Class><br>
</Layer><br>
</FeatureSet></tt><br>
<br>
The can be multiple layers, multiple class and multiple ID entries.<br>
With this info, you must query the runtime map to find the layer(s)
with the corresponding Guid.<br>
Then you must query the layer's featuresource to retrive the rows and
columns corresponding to the given ID's for the schema.<br>
The result is the data for the selected features.<br>
<br>
Another way to do it, is used in the standard viewer:<br>
C:\Program
Files\MapGuideOpenSource2.0\WebServerExtensions\www\mapviewernet\<br>
<br>
Basically you have the following procedure:<br>
<tt>function SetSelection(selText, requery)<br>
{<br>
var reqParams = "SESSION=" + sessionId + "&MAPNAME=" +
encodeURIComponent(mapName) + "&SEQ=" + Math.random() +
"&SELECTION=" + encodeURIComponent(selText) + "&QUERYINFO=" +
(requery? "1": "0");<br>
reqHandler = CreateRequestHandler();<br>
reqHandler.open("POST", setSelScript, false);<br>
reqHandler.setRequestHeader("Content-Type",
"application/x-www-form-urlencoded");<br>
reqHandler.send(reqParams);<br>
if(requery)<br>
return reqHandler.responseXML;<br>
}</tt><br>
<br>
The selText is the selection xml, and if requery is set, the return
value should contain the info you are looking for.<br>
<pre class="moz-signature" cols="72">Regards, Kenneth Skovhede, GEOGRAF A/S
</pre>
<br>
<br>
Nick Aizen skrev:
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<p class="MsoNormal">Can anyone explain the best way to display the
properties or
information that refers to the currently selected item in the viewer
programmatically?
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>Nick Aizen<o:p></o:p></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
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