C# Mapxtream---创建面

/// 
  
   
          /// 创建区域        ///         ///区域信息        ///点集        private void CreateRect(RectInfo rectinfo,List
 
   points)        {            
  try            {                
  //RectInfo 的定义请看下面                Catalog Cat = MapInfo.Engine.Session.Current.Catalog;                Table tblTemp = Cat.GetTable(m_RectLayerName);                
  if (tblTemp == 
  null) 
  return;                FeatureGeometry geometry = 
  new MultiPolygon(
  this.MapCoordSys, CurveSegmentType.Linear, points.ToArray());                CompositeStyle style = GetOpaqueStyle(OpaqueType.NoNe, Color.Red); 
  //GetOpaqueStyle在下面也有                Feature ftr = 
  new Feature(tblTemp.TableInfo.Columns);                ftr.Geometry = geometry;                ftr.Style = style;                ftr[
  "Name"] = rectinfo.FeatureName; 
  //字段一的内容                ftr[
  "Remark"] = rectinfo.Remark; 
  //字段二的内容                ftr[
  "Type"] = rectinfo.Type; 
  //字段二的内容                rectinfo.FeatureKey = tblTemp.InsertFeature(ftr).ToString();                tblTemp.TableInfo.WriteTabFile();
  //保存到文件            }            
  catch (Exception ex)            {                
  throw ex;            }        }     
  /// 
   
    
       
  /// 自定义区域信息    
  ///     
  public 
  class RectInfo     {        
  private 
  string _FeatureKey = 
  string.Empty;        
  /// 
   
    
           
  /// 图元的KEY值        
  ///         
  public 
  string FeatureKey        {            get { 
  return _FeatureKey; }            set            {                
  if (_FeatureKey != 
  value)                {                    _FeatureKey = 
  value;                }            }        }        
  private 
  string _FeatureName;        
  /// 
   
    
           
  /// 图元名称        
  ///         
  public 
  string FeatureName        {            get { 
  return _FeatureName; }            set             {                
  if (_FeatureName != 
  value)                {                    _FeatureName = 
  value;                }            }        }        
  private 
  string _Type;        
  /// 
   
    
           
  /// 类型        
  ///         
  public 
  string Type        {            get { 
  return _Type; }            set             {                
  if (_Type != 
  value)                {                    _Type = 
  value;                }            }        }        
  private 
  string _Remark;        
  /// 
   
    
           
  /// 备注        
  ///         
  public 
  string Remark        {            get { 
  return _Remark; }            set             {                
  if (_Remark != 
  value)                {                    _Remark = 
  value;                }            }        }        
  /// 
   
    
           
  /// 构造函数        
  ///         
  public RectInfo()        { }        
  /// 
   
    
           
  /// 构造函数        
  ///         
  /// 名称        
  /// 类型        
  /// 备注        
  public RectInfo(
  string _FeatureName, 
  string _Type, 
  string _Remark)        {            FeatureName = _FeatureName;            Type = _Type;            Remark = _Remark;        }  } 
  /// 
   
    
           
  /// 创建style        
  ///         
  /// 不透明类型：ALL全部不透明（白色实心）；BORDER边界不透明（填充部分透明）；NONE全透明        
  /// 如果opaqueType=BORDER，此处设定边界颜色        
  /// 
   
    组合style
           
  private CompositeStyle GetOpaqueStyle(OpaqueType opaqueType, System.Drawing.Color borderColor)        {            MapInfo.Styles.SimpleInterior simpleInterior;            
  if (opaqueType == OpaqueType.ALL)                simpleInterior = 
  new MapInfo.Styles.SimpleInterior(); 
  //缺省构造函数是白色实心            
  else                simpleInterior = 
  new MapInfo.Styles.SimpleInterior(1); 
  //0是线透明，1是面透明            MapInfo.Styles.LineWidth lineWidth = 
  new MapInfo.Styles.LineWidth(1, MapInfo.Styles.LineWidthUnit.Point);            MapInfo.Styles.SimpleLineStyle simpleLineStyle;            
  if (opaqueType == OpaqueType.ALL)                simpleLineStyle = 
  new MapInfo.Styles.SimpleLineStyle(lineWidth, 1, borderColor);            
  else 
  if (opaqueType == OpaqueType.BORDER)                simpleLineStyle = 
  new MapInfo.Styles.SimpleLineStyle(lineWidth, 2, borderColor); 
  //2表示填充透明，即能够显示轮廓            
  else                simpleLineStyle = 
  new MapInfo.Styles.SimpleLineStyle(lineWidth, 0); 
  //0表示全部透明，即连轮廓都看不到            MapInfo.Styles.AreaStyle areaStyle = 
  new MapInfo.Styles.AreaStyle(simpleLineStyle, simpleInterior);            MapInfo.Styles.CompositeStyle compositeStyle = 
  new MapInfo.Styles.CompositeStyle(areaStyle, 
  null, 
  null, 
  null);            
  return compositeStyle;        }     
  /// 
   
    
       
  /// 区域,线路样式类型    
  ///     
  public 
  enum OpaqueType    {        
  /// 
   
    
           
  /// 全部不透明        
  ///         ALL,        
  /// 
   
    
           
  /// 边界不透明        
  ///         BORDER,        
  /// 
   
    
           
  /// 全透明        
  ///         NoNe    }