ArcEngine双击加载符号编辑器

    //双击加载符号编辑器

        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);

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

                if (toccItem == esriTOCControlItem.esriTOCControlItemLegendClass)

                {

                    ESRI.ArcGIS.Carto.ILegendClass pLC = new LegendClassClass();

                    ESRI.ArcGIS.Carto.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 SymbolSelectorClass();

                    bool bOK = false;

                    pSS.AddSymbol(pSym);

                    bOK = pSS.SelectSymbol(0);

                    if (bOK)

                    {

                        pLC.Symbol = pSS.GetSymbolAt(0);

                    }

                    axMapControl1.ActiveView.Refresh();

                    axTOCControl1.Refresh();

                }

 

            }

        }