IFeatureLayer layer = FrmMain.m_mapControl.get_Layer(0) as IFeatureLayer;            IFeatureClass featureClass = layer.FeatureClass;            IFeature feature = featureClass.CreateFeature();            IPoint point = new PointClass();            float H = float.Parse(txtX.Text.ToString());            float Z = float.Parse(txtY.Text.ToString());            point.PutCoords(H, Z);            feature.Shape = point;            feature.Store();            FrmMain.m_mapControl.ActiveView.Refresh();

ArcGIS 点要素新增点