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You have to wait until the map has loaded, because the viewer creates
the runtime map that you want to query.<br>
Once the map has loaded, you can access the runtime map, and set the
selection.<br>
<br>
You will need some javascript like this:<br>
<br>
<tt><span style="font-size: 10pt;"><!-- Javascript part --></span></tt><span
style="font-size: 10pt; font-family: "Courier New";"><br>
<tt><script type="text/javascript"></tt><br>
<tt> var mapFrame = null; // A reference to the
map frame</tt><br>
<tt> var originalMapFrameOnSelectionChanged = null // storage
for the original onSelectionChanged function</tt><br>
<tt> function OnSelectionChanged() // when something is
selected on the map</tt><br>
<tt> {</tt><br>
<tt> alert('Your handler works
perfectly');</tt><br>
<tt>
originalMapFrameOnSelectionChanged();</tt><br>
<tt> }</tt><br>
<tt> </tt><br>
<tt> function InitDocument()</tt><br>
<tt> {</tt><br>
<tt> var win =
document.getElementById('viewerFrame');</tt><br>
<tt> if (win.contentWindow) //FF returns
the actual tag, IE returns the iframe</tt><br>
<tt> win = win.contentWindow;</tt><br>
<tt> mapFrameRef = win.GetMapFrame();</tt><br>
<tt> originalMapFrameOnSelectionChanged =
mapFrameRef.parent.OnSelectionChanged;</tt><br>
<tt>
mapFrameRef.parent.OnSelectionChanged =
OnSelectionChanged; </tt><br>
<tt> } </tt><br>
<br>
<tt> function RetryInit()</tt><br>
<tt> {</tt><br>
<tt> if (mapFrame != null)</tt><br>
<tt> return;</tt><br>
<tt> </tt><br>
<tt> try</tt><br>
<tt> {</tt><br>
<tt> InitDocument();<br>
//At this point, you can post a "PageLoaded" via a form or
AJAX<br>
</tt> <tt> }</tt><br>
<tt> catch (e)</tt><br>
<tt> {</tt><br>
<tt> mapFrame = null;</tt><br>
<tt> }</tt><br>
<tt> </tt><br>
</span><tt><span style="font-size: 10pt;"> if
(originalMapFrameOnSelectionChanged ==
null)</span></tt><span
style="font-size: 10pt; font-family: "Courier New";"><br>
<tt> {</tt><br>
<tt> mapFrame = null;</tt><br>
<tt> window.setTimeout("RetryInit();", 500);</tt><br>
<tt> }</tt></span><br>
<span style="font-size: 10pt; font-family: "Courier New";"><tt></script></tt><br>
<br>
<tt><!-- HTML part --></tt><br>
<tt><html></tt><br>
<tt><body></tt><br>
<tt> <iframe id="viewerFrame"
frameborder="yes" width="100%" height="60%"
src="
src="../mapviewernet/dwfviewer.aspx?SESSION=<%=sessionId%>&WEBLAYOUT=<%=webLayout%>""
onload="RetryInit()"></iframe></tt><br>
<tt></body></tt><br>
<tt></html></tt><br>
<br>
</span><br>
<pre class="moz-signature" cols="72">Regards. Kenneth, GEOGRAF A/S
</pre>
<br>
<br>
Nick Aizen skrev:
<blockquote
cite="mid:C5302DE97C388A46AB9F6FA0B91AC81908DD45938C@AUSP01VMBX01.collaborationhost.net"
type="cite">
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<!--[if gte mso 9]><xml>
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</xml><![endif]--><!--[if gte mso 9]><xml>
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<div class="Section1">
<p class="MsoNormal">Can anyone help me with this process, I’m new to
both
web development and MapGuide API development, so please excuse me if I
don’t
ask my question the correct way but basically….<o:p></o:p></p>
<p class="MsoNormal">I want to be able to load a weblayout (created
in MG
Studio), when my asp.net page loads and query and zoom on the map in
the
weblayout before the page is fully displayed. Basically I will be
calling the
asp.net page from an application passing it parameters for the query
functionality.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> I would appreciate it if someone can provide a
code
snippet. I’m using as my base, one of the examples provided on the
Autodesk web site. I can provide any information regarding the project
being
used if that will help. Also, other than the PDF’s provided my Autodesk
are there any helpful resources for developers?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Here’s the code when the page loads that loads a
weblayout:<o:p></o:p></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family: "Courier New";"> <span
style="color: rgb(43, 145, 175);">MgUserInformation</span>
userInfo = <span style="color: blue;">new</span> <span
style="color: rgb(43, 145, 175);">MgUserInformation</span>(<span
style="color: rgb(163, 21, 21);">"Administrator"</span>, <span
style="color: rgb(163, 21, 21);">"admin"</span>);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family: "Courier New";"> <span
style="color: rgb(43, 145, 175);">MgSite</span>
site = <span style="color: blue;">new</span> <span
style="color: rgb(43, 145, 175);">MgSite</span>();<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family: "Courier New";">
site.Open(userInfo);<o:p></o:p></span></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family: "Courier New";"><o:p> </o:p></span></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family: "Courier New";"> <span
style="color: rgb(43, 145, 175);">String</span>
sessionId = site.CreateSession();<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Courier New";">
<span style="color: rgb(43, 145, 175);">String</span> webLayout = <span
style="color: rgb(163, 21, 21);">"Library://DevTV/HelloWorld.WebLayout"</span>;<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Courier New";"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Courier New";"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Courier New";">‘Need
help with API to query and zoom’<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Courier New";"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Courier New";"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Courier New";"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Courier New";">Then
the layout is passed to the viewer.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Courier New";"><o:p> </o:p></span></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family: "Courier New"; color: blue;"><</span><span
style="font-size: 10pt; font-family: "Courier New"; color: rgb(163, 21, 21);">frameset</span><span
style="font-size: 10pt; font-family: "Courier New";"> <span
style="color: red;">rows</span><span style="color: blue;">="0,*"</span>
<span style="color: red;">border</span><span style="color: blue;">="0"</span>
<span style="color: red;">framespacing</span><span
style="color: blue;">="0"><o:p></o:p></span></span></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family: "Courier New";"> <span
style="color: blue;"><</span><span style="color: rgb(163, 21, 21);">frame</span>
<span style="color: blue;">/><o:p></o:p></span></span></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family: "Courier New";"> <span
style="color: blue;"><</span><span style="color: rgb(163, 21, 21);">frame</span>
<span style="color: red;">src</span><span style="color: blue;">="/mapguide2008/mapviewernet/ajaxviewer.aspx?SESSION=</span><span
style="background: yellow none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><%</span>=
sessionId <span
style="background: yellow none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">%></span><span
style="color: blue;">&WEBLAYOUT=</span><span
style="background: yellow none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><%</span>=
webLayout <span
style="background: yellow none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;">%></span><span
style="color: blue;">"</span> <span style="color: red;">name</span><span
style="color: blue;">="ViewerFrame"</span>
<span style="color: blue;">/><o:p></o:p></span></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Courier New"; color: blue;"></</span><span
style="font-size: 10pt; font-family: "Courier New"; color: rgb(163, 21, 21);">frameset</span><span
style="font-size: 10pt; font-family: "Courier New"; color: blue;">></span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Many Thanks,<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>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<pre wrap="">
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</pre>
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