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<title>MgSelection.AddFeatures Bug?</title>
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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks Walt for pointing that out (duh on
my part). This fixed my problem. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Regards,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Shane<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><b><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
mapguide-users-bounces@lists.osgeo.org
[mailto:mapguide-users-bounces@lists.osgeo.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Walt Welton-Lair<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, March 14, 2007
7:18 AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">MapGuide
Users Mail List</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [mapguide-users]
MgSelection.AddFeatures Bug?</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>By calling ReadNext on
the feature reader you've read all the available features out of the
reader... Just call AddFeatures with your reader without doing your
check. If the reader contains no features then nothing will be added to
the selection.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'> <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>Walt<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
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12.0pt;margin-left:.5in'><b><font size=2 face=Tahoma><span style='font-size:
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mapguide-users-bounces@lists.osgeo.org
[mailto:mapguide-users-bounces@lists.osgeo.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b><st1:PersonName w:st="on">Buscher, Shane</st1:PersonName><br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, March 13, 2007
10:22 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Mapguide_users@lists.osgeo.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [mapguide-users]
MgSelection.AddFeatures Bug?</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'><!-- Converted from text/rtf format -->I’m
simply trying to highlight selected features based on an attribute query.</span></font>
<font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>When I
obtain a feature reader I check to make sure that there are items in it, then I</span></font>
<font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>execute
the MgSelection.AddFeatures method. </span></font> <font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>Nothing gets
selected in the long run after I call the</span></font> <font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>SetSelectionXML(‘xml’)</span></font>
<font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>viewer
api function and refresh the map. I took a look at the xml being passed
and noticed there are no records in it. </span></font> <font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>Is there something
I’m doing wrong here? There are definitely records in the feature
reader that aren’t making it into the xml. Or maybe there’s a
bug in the MgSelection.AddFeatures() method? </span></font> <font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>Any help</span></font>
<font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>would
be greatly appreciated.</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Regards,</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Shane</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Dim</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
layer</span></font> <font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>As</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
MgLayer = _map.GetLayers.GetItem(0)</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Dim</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
className</span></font> <font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>As</span></font> <font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>String</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> = layer.GetFeatureClassName</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Dim</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
resourceId</span></font> <font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>As</span></font> <font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>New</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>
MgResourceIdentifier(layer.GetFeatureSourceId)</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Dim</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
queryString</span></font> <font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>As</span></font> <font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>String</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Dim</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
queryOption</span></font> <font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>As</span></font> <font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>New</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> MgFeatureQueryOptions()</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>queryOption.SetFilter(queryString)</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Dim</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
featureReader</span></font> <font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>As</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
MgFeatureReader</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>featureReader =
_featureService.SelectFeatures(resourceId, className, queryOption)</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Dim</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
i</span></font> <font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>As</span></font> <font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>Integer</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> = 0</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>While</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
featureReader.ReadNext</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> i = i + 1</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>End</span></font>
<font size=2 color=blue face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New";color:blue'>While</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>If</span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>
i > 0</span></font> <font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>Then</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> </span></font> <font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>Dim</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> selection</span></font> <font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>As</span></font> <font size=2 color=blue
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:blue'>New</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> MgSelection(_map)</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>
selection.AddFeatures(layer, featureReader, 0)</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> </span></font> <font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>Dim</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> xml</span></font> <font
size=2 color=blue face="Courier New"><span style='font-size:10.0pt;font-family:
"Courier New";color:blue'>As</span></font> <font size=2 color=blue
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:blue'>String</span></font><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'> = selection.ToXml()</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>End</span></font>
<font size=2 color=blue face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New";color:blue'>If</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'><?xml
version="1.0" encoding="UTF-8"?></span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'><FeatureSet xmlns:xsi=</span></font><a
href="http://www.w3.org/2001/XMLSchema-instance"><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New"'>http://www.w3.org/2001/XMLSchema-instance</span></font></a>
<font size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>xsi:noNamespaceSchemaLocation="FeatureSet-1.0.0.xsd"></FeatureSet></span></font><o:p></o:p></p>
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