mapxtreme最新版_mapxtreme_mapxtreme 售价(3)

command.ExecuteNonQuery();

//关闭连接

command.Cancel();

command.Dispose();

connection.Close();

connection.Dispose();

}

/**//// <summary>

/// 创建style

/// </summary>

/// <param>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</param>

/// <param>如果opaqueType=BORDER，此处设定边界颜色</param>

/// <returns>组合style</returns>

private MapInfo.Styles.CompositeStyle GetOpaqueStyle(OpaqueType

opaqueType,System.Drawing.Color borderColor)

{

MapInfo.Styles.SimpleInterior Interior;

if(opaqueType==OpaqueType.ALL)

Interior= new MapInfo.Styles.SimpleInterior(); //缺省构造函数是白色实心

else

Interior= 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 LineStyle;

if(opaqueType==OpaqueType.ALL)

LineStyle = new MapInfo.Styles.SimpleLineStyle(lineWidth);

else if(opaqueType==OpaqueType.BORDER)

LineStyle = new MapInfo.Styles.SimpleLineStyle(lineWidth,2,borderColor); //2表示填充

透明，即能够显示轮廓

else

LineStyle = 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(LineStyle,Interior);

MapInfo.Styles.CompositeStyle compositeStyle = new

MapInfo.Styles.CompositeStyle(areaStyle,null,null,null);

return compositeStyle;

}

7 选择全部图元

MapInfo.Engine.Session.Current.Catalog.Search(

table,

MapInfo.Data.SearchInfoFactory.SearchAll(),

MapInfo.Engine.Session.Current.Selections.DefaultSelection,

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