//设置填充符号的属性
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pFillSymbol.Color = pColor;
pFillSymbol.Outline = pOutline;
IFillShapeElement pFillShapeEle = pElement as IFillShapeElement;
pFillShapeEle.Symbol = pFillSymbol;
pGraphicsContainer.AddElement((IElement)pFillShapeEle，0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics，null，null);
}
private void axMapControl1_OnMapReplaced(object sender， ESRI.ArcGIS.Controls.IMapControlEvents2_OnMapReplacedEvent e)
{
if (axMapControl1.LayerCount > 0)
{
axMapControl2.Map = new MapClass();
for (int i = 0; i <= axMapControl1.Map.LayerCount - 1; i++)
{
axMapControl2.AddLayer(axMapControl1.get_Layer(i));
}
axMapControl2.Extent = axMapControl1.Extent;
axMapControl2.Refresh();
}
}
private void axMapControl2_OnMouseMove(object sender， ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseMoveEvent e)
{
if (e.button == 1)
{
IPoint pPoint = new PointClass();
pPoint.PutCoords(e.mapX，e.mapY);
axMapControl1.CenterAt(pPoint);
}
}
private void axMapControl2_OnMouseDown(object sender， ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e)
{
if (axMapControl2.Map.LayerCount > 0)
{
if (e.button == 1)
{
IPoint pPoint = new PointClass();
pPoint.PutCoords(e.mapX，e.mapY);
axMapControl1.CenterAt(pPoint);
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography，null，null);
}
else if (e.button == 2)
{
IEnvelope pEnv = axMapControl2.TrackRectangle();
axMapControl1.Extent = pEnv;
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography，null，null);
}
}
}
}
}