初探GIS Mapxtreme 添加自定义图元 bmp

添加自定义 图元，将bmp 放入 C:\Program Files\Common Files\MapInfo\MapXtreme\6.8.0\CustSymb目录下

这个 6.8.0 是版本号。

  

    
   ///
    
   <summary>
   
 
   ///
    添加自定义图元
 
   ///
    
   </summary>
   
 
   ///
    
   <param name="dPoint">
   点坐标
   </param>
   

    
   public
    
   void
    AddCustomFeature(DPoint dPoint)
 {
 TableInfoMemTable tableInfoMemTable 
   =
    
   new
    TableInfoMemTable(
   "
   temp
   "
   );
 tableInfoMemTable.Columns.Add(ColumnFactory.CreateFeatureGeometryColumn(map.GetDisplayCoordSys()));
 tableInfoMemTable.Columns.Add(ColumnFactory.CreateStyleColumn());
   //
   样式列
   

    Table table 
   =
    MapInfo.Engine.Session.Current.Catalog.CreateTable(tableInfoMemTable);
 FeatureLayer featureLayer 
   =
    
   new
    FeatureLayer(table);
 map.Layers.Add(featureLayer);

 FeatureGeometry featureGeometry 
   =
    
   new
    MapInfo.Geometry.Point(featureLayer.CoordSys, dPoint);
 BitmapPointStyle bitmapPointStyle 
   =
    
   new
    BitmapPointStyle(
   "
   chinaz2.BMP
   "
   , BitmapStyles.None, 
   new
    System.Drawing.Color(), 
   25
   );
 CompositeStyle compositeStyle 
   =
    
   new
    CompositeStyle(bitmapPointStyle);

 Feature feature 
   =
    
   new
    Feature(featureLayer.Table.TableInfo.Columns);
 feature.Geometry 
   =
    featureGeometry;
 feature.Style 
   =
    compositeStyle;

 featureLayer.Table.InsertFeature(feature);
 }