toccontextmenu.cs

ui form windows csharp

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.esriSystem;
namespace UI
{
    public partial class TOCContextMenu : UserControl, InterfaceList
    {
        private ITOCControl2 m_tocControl;
        private IMapControl3 m_mapControl;
        private IToolbarMenu m_menuMap;
        private IToolbarMenu m_menuLayer;
        public TOCContextMenu()
        {
            InitializeComponent();
        }
        #region InterfaceList 成员
        public void RefreshData()
        {

        }

        #endregion

        private void TOCContextMenu_Load(object sender, EventArgs e)
        {
            m_tocControl = (ITOCControl2)axTOCControl1.Object;
            m_mapControl = (IMapControl3)axMapControl1.Object;

            m_tocControl.SetBuddyControl(m_mapControl);
            axToolbarControl1.SetBuddyControl(m_mapControl);
            axToolbarControl1.RemoveAll();
            axToolbarControl1.AddItem("esriControls.ControlsSelectFeaturesTool", -1, 0, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            axToolbarControl1.AddToolbarDef("esriControls.ControlsMapNavigationToolbar", 0, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            axToolbarControl1.AddItem("esriControls.ControlsOpenDocCommand", -1, 0, false, 0, esriCommandStyles.esriCommandStyleIconOnly);

            //Add custom commands to the map menu
            m_menuMap = new ToolbarMenuClass();
            m_menuMap.AddItem(new LayerVisibility(), 1, 0, false, esriCommandStyles.esriCommandStyleTextOnly);
            m_menuMap.AddItem(new LayerVisibility(), 2, 1, false, esriCommandStyles.esriCommandStyleTextOnly);
            //Add pre-defined menu to the map menu as a sub menu 
            m_menuMap.AddSubMenu("esriControls.ControlsFeatureSelectionMenu", 2, true);
            //Add custom commands to the map menu
            m_menuLayer = new ToolbarMenuClass();
            m_menuLayer.AddItem(new RemoveLayer(), -1, 0, false, esriCommandStyles.esriCommandStyleTextOnly);
            m_menuLayer.AddItem(new ScaleThresholds(), 1, 1, true, esriCommandStyles.esriCommandStyleTextOnly);
            m_menuLayer.AddItem(new ScaleThresholds(), 2, 2, false, esriCommandStyles.esriCommandStyleTextOnly);
            m_menuLayer.AddItem(new ScaleThresholds(), 3, 3, false, esriCommandStyles.esriCommandStyleTextOnly);
            m_menuLayer.AddItem(new LayerSelectable(), 1, 4, true, esriCommandStyles.esriCommandStyleTextOnly);
            m_menuLayer.AddItem(new LayerSelectable(), 2, 5, false, esriCommandStyles.esriCommandStyleTextOnly);
            m_menuLayer.AddItem(new ZoomToLayer(), -1, 6, true, esriCommandStyles.esriCommandStyleTextOnly);

            //Set the hook of each menu
            m_menuLayer.SetHook(m_mapControl);
            m_menuMap.SetHook(m_mapControl);
        }

        private void axTOCControl1_OnMouseDown(object sender, ITOCControlEvents_OnMouseDownEvent e)
        {
            if (e.button != 2) return;

            esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone;
            IBasicMap map = null;
            ILayer layer = null;
            object other = null; 
            object index = null;

            //Determine what kind of item is selected
            m_tocControl.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index);

            //Ensure the item gets selected 
            if (item == esriTOCControlItem.esriTOCControlItemMap)
                m_tocControl.SelectItem(map, null);
            else
                m_tocControl.SelectItem(layer, null);

            //Set the layer into the CustomProperty (this is used by the custom layer commands)			
            m_mapControl.CustomProperty = layer;

            //Popup the correct context menu
            if (item == esriTOCControlItem.esriTOCControlItemMap) m_menuMap.PopupMenu(e.x, e.y, m_tocControl.hWnd);
            if (item == esriTOCControlItem.esriTOCControlItemLayer) m_menuLayer.PopupMenu(e.x, e.y, m_tocControl.hWnd);
        }

    }
}