.NET平台下专题地图实现的C#代码

private void 点密度图ToolStripMenuItem_Click(object sender, EventArgs e)

{







//获取当前图层 ，并把它设置成IGeoFeatureLayer的实例

IMap pMap = axMapControl1.Map

ILayer pLayer = pMap.get_Layer(0) as IFeatureLayer

IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer

IGeoFeatureLayer pGeoFeatureLayer = pLayer as IGeoFeatureLayer



//获取图层上的feature

IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass

IFeatureCursor pFeatureCursor = pFeatureClass.Search(null, false)

IFeature pFeature = pFeatureCursor.NextFeature()

-. NET platform for the realization of thematic maps of the C# Code private void point density map ToolStripMenuItem_Click (object sender, EventArgs e) (//obtain the current layer, and it set IGeoFeatureLayer examples IMap pMap = axMapControl1.Map ILayer pLayer = pMap . get_Layer (0) as IFeatureLayer IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer IGeoFeatureLayer pGeoFeatureLayer = pLayer as IGeoFeatureLayer// access layer on the feature IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass IFeatureCursor pFeatureCursor = pFeatureClass.Search (null, false) IFeature pFeature = pFeatureCursor.NextFeature ()