ARCEngine中右键图层以遍历图层名和字段名

﹏ヽ暗。殇╰゛Y 2021-09-17 09:32 329阅读 0赞

private void axTOCControl1_OnMouseDown(object sender, ITOCControlEvents_OnMouseDownEvent e)
                    {
                        esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone;
                        IBasicMap map = null; ILayer layer = null;
                        object other = null; object index = null;
                        this.axTOCControl1.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index);
    
                        if (e.button == 2)
                        {
                            IFeatureLayer featureLayer;
                            featureLayer = layer as IFeatureLayer;
                            //IFeatureLayer featureLayer = axMapControl1.get_Layer(6) as IFeatureLayer;
                            ILayerFields layerFields = featureLayer as ILayerFields;
                            List<string> list = new List<string>();
    
                            for (int i = 0; i < axMapControl1.Map.LayerCount; i++)
                            {
                                string layer_name = axMapControl1.Map.get_Layer(i).Name.ToString();
                                list.Add(layer_name);
                            }
    
                            for (int i = 0; i < layerFields.FieldCount; i++)
                            {
                                IField field = layerFields.get_Field(i);
                                string fieldName = field.Name;
                                list.Add(fieldName);
                            }
    
                            string sum = "";
                            for (int j = 0; j < list.Count; j++)
                            {
                                string tucengming = "图层名：";
                                if (j < axMapControl1.Map.LayerCount)
                                {
                                    sum += tucengming + list[j].ToString() + "  ";
    
                                }
                                else
                                {
                                    string ziduanming = "字段名：";
                                    sum += ziduanming + list[j].ToString() + "  ";
                                }
    
                            }
    
                            MessageBox.Show(sum, "图层名和字段名");
                        }
                    }

# **运行效果：** #

![20181220122527294.gif][]

[20181220122527294.gif]: /images/20210725/451ead3c420e462d95d15c2c035fa7e1.png