随便说说"legend"

删除图层后legend控件更新代码
               short Index;
Index = m_legend.getActiveLayer();
    if( Index != -1)
{
m_map.GetLayers().Remove(Index);
BOOL bl = TRUE ;
m_legend.LoadLegend(&bl);
}
else
{
AfxMessageBox("The map has no active layer .");
}

最好清楚点啦，呵呵