从数据库绘制MapX地图(二)[4]

                             'id',//传入的是xunit表中的字段id的名称

                             emptyparam,

                             oblayer,//bindlayer

                             emptyparam,

emptyparam);

  //下边将设置新图层的各项属性

  searchlayer := mapmain.layers.item('artemis');

  //字体颜色

  searchlayer.labelproperties.style.textfontcolor := micolorpurple;

  searchlayer.labelproperties.style.textfonthalo := true;

  searchlayer.labelproperties.style.textfontbackcolor := micolorwhite;

  //设置图元显示的标签

  searchlayer.labelproperties.dataset := ds;

  searchlayer.labelproperties.datafield := ds.fields.item('name');

  searchlayer.labelproperties.labelzoom := true;

  //设置图层缩放比例范围

  searchlayer.zoommin := 0;

  searchlayer.zoommax := 200;