private void SynchronizeEagleEye() //加载鹰眼视图
{
if (EagleEyemapcontrol.LayerCount > 0) //清除原有图层
{
EagleEyemapcontrol.ClearLayers();
}
EagleEyemapcontrol.SpatialReference = axMapControl1.SpatialReference;//鹰眼视图坐标系和主地图坐标系相同
for (int i = axMapControl1.LayerCount - 1; i >= 0; i--)
{
ILayer player = axMapControl1.get_Layer(i); //获取第i个视图
if (player is IGroupLayer || player is ICompositeLayer) //判断此视图是否内置还有图层
{
ICompositeLayer pcompositelayer = (ICompositeLayer)player; //强制转换
for (int j = pcompositelayer.Count - 1; j >= 0; j--)
{
ILayer psublayer = pcompositelayer.get_Layer(j); //获取此视图中第i个图层
IFeatureLayer pfeaturelayer = psublayer as IFeatureLayer; //获得此图层作为要素图层
if (pfeaturelayer == null)
{
continue; //此图层为空则返回进行下一个图层操作
}
if (pfeaturelayer.FeatureClass.ShapeType != esriGeometryType.esriGeometryPoint && pfeaturelayer.FeatureClass.ShapeType != esriGeometryType.esriGeometryMultipoint)
{
EagleEyemapcontrol.AddLayer(player);
}
}
}
else
{
IFeatureLayer pfeaturelayer1 = new FeatureLayer();
pfeaturelayer1 = player as IFeatureLayer;
if (pfeaturelayer1 == null)
{
continue;
}
if (pfeaturelayer1 != null)
{
if (pfeaturelayer1.FeatureClass == null)
{
return;
}
else
{
if (pfeaturelayer1.FeatureClass.ShapeType != esriGeometryType.esriGeometryPoint && pfeaturelayer1.FeatureClass.ShapeType != esriGeometryType.esriGeometryMultipoint)
{
EagleEyemapcontrol.AddLayer(player);
}
}
}
}
EagleEyemapcontrol.Extent = axMapControl1.FullExtent;
pEnv = axMapControl1.Extent;
DrawRectangle(pEnv);//定义一个函数，在鹰眼视图上画矩形框
EagleEyemapcontrol.Refresh();
}
}
private void EagleEyemapcontrol_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
if (EagleEyemapcontrol.Map.LayerCount <= 0)
{
return;
}
if (e.button == 1) //单击左键移动矩形框
{
if (e.mapX > pEnv.XMin && e.mapY > pEnv.YMin && e.mapX < pEnv.XMax && e.mapY < pEnv.YMax)
{
bCanDrag = true;
}
pMoveRectPoint = new PointClass();
pMoveRectPoint.PutCoords(e.mapX, e.mapY);
}
else if (e.button == 2)//单击右键绘制矩形框
{
IEnvelope penvelope = EagleEyemapcontrol.TrackRectangle();
IPoint ptemppoint = new PointClass();
ptemppoint.PutCoords(penvelope.XMin + penvelope.Width / 2, penvelope.YMin + penvelope.Height / 2);
axMapControl1.Extent = penvelope;
axMapControl1.CenterAt(ptemppoint);//做一个中心调整
}
}
