实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.ADF;
using System.IO;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.SystemUI;
namespace 资源环境管理系统
{
public partial class Form1 : Form
{
#region
private int flagSelect = 0;//选择标记
private ITOCControl2 m_tocControl=null;//TOC控件
private IMapControl3 m_mapControl = null;//Map控件
private IToolbarMenu m_menuLayer = null;//图层菜单控件
#endregion
/// <summary>
/// 主窗体构造函数
/// </summary>
public Form1()
{
InitializeComponent();
}
/// <summary>
/// 主窗体加载事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_Load(object sender, EventArgs e)
{
//创建鹰眼窗口
CreateOverviewSymbol();
//地图控件对应绑定
m_tocControl = (ITOCControl2)axTOCControl1.Object;
m_mapControl = (IMapControl3)axMapControl1.Object;
//设置关联控件
m_tocControl.SetBuddyControl(m_mapControl);
axToolbarControl1.SetBuddyControl(m_mapControl);
//打开图层属性表
m_menuLayer = new ToolbarMenuClass();
m_menuLayer.AddItem(new OpenAttributeTableCmd(), 0, 0);
//设置关联hook
m_menuLayer.SetHook(m_mapControl);
}
/// <summary>
/// 加载地图图层
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void axMapControl1_OnMapReplaced(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMapReplacedEvent e)
{
IMap pMap;//地图接口
pMap = axMapControl1.Map;//引用地图控件赋值
int i;
//循环加载地图图层
for (i = 0; i <= pMap.LayerCount - 1; i )
{
axMapControl2.Map.AddLayer(pMap.get_Layer(i));
}
//设置图层范围
this.axMapControl2.Extent = this.axMapControl2.FullExtent;
}
/// <summary>
/// 创建鹰眼窗口
/// </summary>
private void CreateOverviewSymbol()
{
//获取IRGBColor接口.
IRgbColor color = new RgbColorClass();
//设置颜色属性
color.RGB = 255;
//获取线性符号l接口
ILineSymbol outline = new SimpleLineSymbolClass();
//设置线性符号属性
outline.Width = 2;
outline.Color = color;
//获取填充符号接口
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
//设置填充符号属性
simpleFillSymbol.Outline = outline;
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSHollow;
}
/// <summary>
/// 鼠标移动事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void axMapControl1_OnMouseMove(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseMoveEvent e)
{
toolStripStatusLabel1.Text = "X:" e.mapX.ToString();//获取地图x坐标
toolStripStatusLabel2.Text = "Y:" e.mapY.ToString();//获取地图y坐标
toolStripStatusLabel3.Text = "地图缩放比例：" Convert.ToInt32(axMapControl1.FullExtent.Height /
axMapControl1.Extent.Height * 100) "%";//获取地图缩放比例
}
//打开地图事件
private void openFileToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog2 = new OpenFileDialog();//文件选择框
openFileDialog2.Title = "打开地图文档";//设置标题
openFileDialog2.Filter = "地图文档 (*.mxd)|*.mxd";//设置过滤条件
openFileDialog2.ShowDialog();//打开文件选择框
string sFilePath = openFileDialog2.FileName;//获取选择文件路径
if (axMapControl1.CheckMxFile(sFilePath))//验证是否地图文档
{
axMapControl1.LoadMxFile(sFilePath, 0, Type.Missing);//加载地图文档
}
else
{
MessageBox.Show(sFilePath " 格式不正确！");//提示错误
return;
}
}
/// <summary>
/// 鼠标按下事件，处理选择事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
//制定几何接口
axMapControl1.MousePointer = esriControlsMousePointer.esriPointerCrosshair;
IGeometry selectGeo = null;
//判断选择标记
if (flagSelect != 0)
{
//分类出来
switch (flagSelect)
{
case 1://矩形选择
selectGeo=axMapControl1.TrackRectangle ();
axMapControl2.Refresh();
break;
case 2://圆形选择
selectGeo = axMapControl1.TrackCircle();
axMapControl2.Refresh();
break;
case 3://线性选择
selectGeo = axMapControl1.TrackLine();
axMapControl2.Refresh();
break;
default ://清空
flagSelect=0;
break;
}
if (null != selectGeo)
{
axMapControl1.Map.SelectByShape(selectGeo, null, false);
axMapControl1.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}
}
}
/// <summary>
/// 矩形标记事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void rectangleToolStripMenuItem_Click(object sender, EventArgs e)
{
flagSelect = 1;
}
/// <summary>
/// 圆形标记事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void circleToolStripMenuItem_Click(object sender, EventArgs e)
{
flagSelect = 2;
}
/// <summary>
/// 线性标记事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void lineToolStripMenuItem_Click(object sender, EventArgs e)
{
flagSelect = 3;
}
/// <summary>
/// 清空事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void clearToolStripMenuItem_Click(object sender, EventArgs e)
{
//清除选择
//在这里需要特别注意，在清除选择集前必须做一个刷新，否则在视图上看不到清除的效果
IActiveView pActiveView = (IActiveView)(axMapControl1.Map);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, axMapControl1.get_Layer(0), null);
axMapControl1.Map.ClearSelection();
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, axMapControl1.get_Layer(0), null);
axMapControl2.Refresh();
}
//地图内容控件右键菜单
private void axTOCControl1_OnMouseDown(object sender, ITOCControlEvents_OnMouseDownEvent e)
{
if (e.button == 1)
{
#region "左键点击图例符号，弹出符号选择对话框"
IBasicMap map = new MapClass();
ILayer layer = new FeatureLayerClass();
object other = new object();
object index = new object();
esriTOCControlItem item = new esriTOCControlItem();
//定义点击类别
axTOCControl1.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index);
//查询要素接口
if (layer == null) return;
IFeatureLayer featureLayer = layer as IFeatureLayer;
if (featureLayer == null) return;
IGeoFeatureLayer geoFeatureLayer = (IGeoFeatureLayer)featureLayer;
ILegendClass legendClass = new LegendClassClass();
ISymbol symbol = null;
if (other is ILegendGroup && (int)index != -1)
{
legendClass = ((ILegendGroup)other).get_Class((int)index);
symbol = legendClass.Symbol;
}
if (symbol == null) return;
symbol = GetSymbolByControl(symbol);
if (symbol == null) return;
legendClass.Symbol = symbol;
this.Activate();
//监听内容改变事件
axMapControl1.ActiveView.ContentsChanged();
//刷新展示
axMapControl1.Refresh(esriViewDrawPhase.esriViewGeography, null, null);
axMapControl2.Refresh(esriViewDrawPhase.esriViewGeography, null, null);
axTOCControl1.Update();
#endregion
}
if (e.button == 2)
{
esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone;
IBasicMap map = null; ILayer layer = null;
object other = null; object index = null;
//定义选择项类别
m_tocControl.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index);
//确保选中
if (item == esriTOCControlItem.esriTOCControlItemMap)
m_tocControl.SelectItem(map, null);
else
m_tocControl.SelectItem(layer, null);
//设置图层自定义属性
m_mapControl.CustomProperty = layer;
if (item == esriTOCControlItem.esriTOCControlItemLayer) m_menuLayer.PopupMenu(e.x, e.y, m_tocControl.hWnd);
}
}
/// <summary>
/// 获取样式符号，展示图层符号配置窗口
/// </summary>
/// <param name="symbolType"></param>
/// <returns></returns>
private ISymbol GetSymbolByControl(ISymbol symbolType)
{
ISymbol symbol = null;
IStyleGalleryItem styleGalleryItem = null;
esriSymbologyStyleClass styleClass = esriSymbologyStyleClass.esriStyleClassMarkerSymbols;
if (symbolType is IMarkerSymbol)
{
styleClass = esriSymbologyStyleClass.esriStyleClassMarkerSymbols;
}
if (symbolType is ILineSymbol)
{
styleClass = esriSymbologyStyleClass.esriStyleClassLineSymbols;
}
if (symbolType is IFillSymbol)
{
styleClass = esriSymbologyStyleClass.esriStyleClassFillSymbols;
}
GetSymbolByControlForm symbolForm = new GetSymbolByControlForm(styleClass);
symbolForm.ShowDialog();
styleGalleryItem = symbolForm.m_styleGalleryItem;
if (styleGalleryItem == null) return null;
symbol = styleGalleryItem.Item as ISymbol;
symbolForm.Dispose();
this.Activate();
return symbol;
}
/// <summary>
/// 属性选择事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void selectByAttributesToolStripMenuItem_Click(object sender, EventArgs e)
{
ICommand command = new AttributeQueryCmd();
command.OnCreate(m_mapControl.Object);
command.OnClick();
}
}
}
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