从含有X,Y,Z的字段数据生成要素类

<p><font face="Verdana">从含有X,Y,Z的字段数据生成要素类，代码如下：</font></p>
<p><font face="Verdana"> </font></p>
<p><font face="Verdana">public IFeatureClass CreateXYEventSource(ITable table, ISpatialReference spatialReference)</font></p>
<p><font face="Verdana">{</font></p>
<p><font face="Verdana">  IXYEvent2FieldsProperties xyEvent2FieldsProperties = new XYEvent2FieldsPropertiesClass();</font></p>
<p><font face="Verdana">  xyEvent2FieldsProperties.XFieldName = "X";</font></p>
<p><font face="Verdana">  xyEvent2FieldsProperties.YFieldName = "Y";</font></p>
<p><font face="Verdana"></font> </p>
<p><font face="Verdana">  IDataset sourceDataset = (IDataset)table;</font></p>
<p><font face="Verdana">  IName sourceName = sourceDataset.FullName;</font></p>
<p><font face="Verdana"></font> </p>
<p><font face="Verdana">   IXYEventSourceName xyEventSourceName = new XYEventSourceNameClass();</font></p>
<p><font face="Verdana">  xyEventSourceName.EventProperties = xyEvent2FieldsProperties;</font></p>
<p><font face="Verdana">  xyEventSourceName.EventTableName = sourceName;</font></p>
<p><font face="Verdana">  xyEventSourceName.SpatialReference = spatialReference;</font></p>
<p><font face="Verdana"></font> </p>
<p><font face="Verdana">  IName name = (IName)xyEventSourceName;</font></p>
<p><font face="Verdana">  IXYEventSource xyEventSource = (IXYEventSource)name.Open();</font></p>
<p><font face="Verdana"></font> </p>
<p><font face="Verdana">  IFeatureClass featureClass = (IFeatureClass)xyEventSource;</font></p>
<p><font face="Verdana">  return featureClass;</font></p>
<p><font face="Verdana">}</font></p>