/// <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);
}
// 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();
}
}
}