Ejemplo n.º 1
0
        /// <summary>
        /// 通过符号选择器选择符号样式
        /// </summary>
        /// <param name="geometryType">要素类型</param>
        /// <returns>返回 ISymbol 对象</returns>
        public static ISymbol GetSymbolBySymbolSelector(esriGeometryType geometryType)
        {
            ISymbol symbol = null;

            switch (geometryType)
            {
            case esriGeometryType.esriGeometryPoint:
                symbol = new SimpleMarkerSymbolClass();
                break;

            case esriGeometryType.esriGeometryPolyline:
                symbol = new SimpleLineSymbolClass();
                break;

            case esriGeometryType.esriGeometryPolygon:
                symbol = new SimpleFillSymbolClass();
                break;
            }
            ESRI.ArcGIS.DisplayUI.ISymbolSelector pSymbolSelector = new ESRI.ArcGIS.DisplayUI.SymbolSelectorClass();
            pSymbolSelector.AddSymbol(symbol);
            bool response = pSymbolSelector.SelectSymbol(0);

            if (response)
            {
                symbol = pSymbolSelector.GetSymbolAt(0);
                return(symbol);
            }
            return(null);
        }
Ejemplo n.º 2
0
//        双击 axTOCControl1 显示符号系统

        private void axTOCControl1_OnDoubleClick(Object sender, ITOCControlEvents_OnDoubleClickEvent e)
        {
            esriTOCControlItem toccItem = esriTOCControlItem.esriTOCControlItemNone;

            ILayer iLayer = null;

            IBasicMap iBasicMap = null;

            object unk = null;

            object data = null;

            if (e.button == 1)
            {
                axTOCControl1.HitTest(e.x, e.y, ref toccItem, ref iBasicMap, ref iLayer, ref unk,
                                      ref data);

                new System.Drawing.Point(e.x, e.y);

                if (toccItem == esriTOCControlItem.esriTOCControlItemLegendClass)
                {
                    ILegendClass pLC = new LegendClassClass();

                    ILegendGroup pLG = new LegendGroupClass();

                    if (unk is ILegendGroup)
                    {
                        pLG = (ILegendGroup)unk;
                    }

                    pLC = pLG.get_Class((int)data);

                    ISymbol pSym;

                    pSym = pLC.Symbol;

                    ESRI.ArcGIS.DisplayUI.ISymbolSelector pSS = new
                                                                ESRI.ArcGIS.DisplayUI.SymbolSelectorClass();


                    bool bOK;

                    pSS.AddSymbol(pSym);

                    bOK = pSS.SelectSymbol(0);

                    if (bOK)
                    {
                        pLC.Symbol = pSS.GetSymbolAt(0);
                    }

                    axMapControl1.ActiveView.Refresh();

                    axTOCControl1.Refresh();
                }
            }
        }