YinChaoOnline

        //省略若干其他代码

        private void menuSpatialIntersect_Click(object sender, EventArgs e)
        {
            //get the continent layer
            IFeatureLayer continentLayer = GetLayerByName("Continents", axMapControl1.Map) as IFeatureLayer;

            //query the continents layer where its name equals 'asia'
            //get the feature's geometry matching the above condition
            IQueryFilter queryFilter = new QueryFilterClass();