AutoCAD: 添加鼠标快捷键/鼠标右键

Autodesk.AutoCAD.ApplicationServices.Application 支持两种 ContextMenu 扩展：DefaultContextMenu 和 ObjectContextMenu。

DefaultContextMenu：当前上下文环境没有选中任何 Entity 情况下的快捷菜单。

ObjectContextMenu：当前上下文环境选中指定类型 Entity 情况下的快捷菜单。如下图：

        #region AddContextMenu
        /// <summary>
        /// 添加右键菜单
        /// </summary>
        private void AddContextMenu()
        {
            try
            {
                // DefaultContextMenu
                ContextMenuExtension defaultContextMenu = new ContextMenuExtension();
                defaultContextMenu.Title = "MyDefaultContextMenu";
                Autodesk.AutoCAD.Windows.MenuItem defaultContextMenu_Item1 = new Autodesk.AutoCAD.Windows.MenuItem("MyDefaultContextMenu_Item1", ARX.UI.Resources.Resource1.taobao);
                defaultContextMenu_Item1.Click += new EventHandler(defaultContextMenu_OnClick);
                defaultContextMenu.MenuItems.Add(defaultContextMenu_Item1);
                ArxApp.AddDefaultContextMenuExtension(defaultContextMenu);

                // ObjectContextMenu
                ContextMenuExtension objContextMenu = new ContextMenuExtension();
                objContextMenu.Title = "MyObjectContextMenu";
                objContextMenu.Popup += new EventHandler(objContextMenu_Popup);

                Autodesk.AutoCAD.Windows.MenuItem objContextMenu_Item1 = new Autodesk.AutoCAD.Windows.MenuItem("Go to Baidu", ARX.UI.Resources.Resource1.baidu);
                objContextMenu_Item1.Click += new EventHandler(objContextMenu_Item1_Click);
                objContextMenu.MenuItems.Add(objContextMenu_Item1);

                Autodesk.AutoCAD.Windows.MenuItem objContextMenu_Item2 = new Autodesk.AutoCAD.Windows.MenuItem("Go to Google", ARX.UI.Resources.Resource1.google);
                objContextMenu_Item2.Click += new EventHandler(objContextMenu_Item2_Click);
                objContextMenu.MenuItems.Add(objContextMenu_Item2);

                ArxApp.AddObjectContextMenuExtension(RXObject.GetClass(typeof(Polyline)), objContextMenu);
            }
            catch (System.Exception exc)
            {
                WriteLine(string.Format("\n ContextMenu error: {0}", exc.Message));
            }
        }

        void objContextMenu_Popup(object sender, EventArgs e)
        {
            using (DocumentLock docLock = ArxApp.DocumentManager.MdiActiveDocument.LockDocument())
            {
                Document doc = Application.DocumentManager.MdiActiveDocument;
                Database db = doc.Database;
                Editor ed = doc.Editor;
                bool visible = true;

                //If that is multiple selection, disabled the menu item.
                PromptSelectionResult selectionRes = ed.SelectImplied();
                if (selectionRes.Status == PromptStatus.OK)
                {
                    ObjectId[] objIds = selectionRes.Value.GetObjectIds();
                    if (objIds != null && objIds.Length > 1)
                    {
                        visible = false;
                    }
                }

                ContextMenuExtension objContextMenu = sender as ContextMenuExtension;
                if (objContextMenu != null)
                {
                    foreach (MenuItem item in objContextMenu.MenuItems)
                    {
                        item.Enabled = visible;
                    }
                }
            }
        }

        private void defaultContextMenu_OnClick(object sender, EventArgs e)
        {
            using (DocumentLock docLock = ArxApp.DocumentManager.MdiActiveDocument.LockDocument())
            {
                ArxApp.ShowAlertDialog("defaultContextMenu_OnClick");
            }
        }

        void objContextMenu_Item1_Click(object sender, EventArgs e)
        {
            using (DocumentLock docLock = ArxApp.DocumentManager.MdiActiveDocument.LockDocument())
            {
                System.Diagnostics.Process.Start("IEXPLORE.EXE", "http://www.baidu.com");
            }
        }

        void objContextMenu_Item2_Click(object sender, EventArgs e)
        {
            using (DocumentLock docLock = ArxApp.DocumentManager.MdiActiveDocument.LockDocument())
            {
                System.Diagnostics.Process.Start("IEXPLORE.EXE", "http://www.google.com");
            }
        }

        #endregion

 可以在 objContextMenu_Popup 事件中做一些逻辑处理。

下面是用到的namespace：

using Autodesk.AutoCAD.ApplicationServices;
using ArxApp = Autodesk.AutoCAD.ApplicationServices.Application;
using ArxDoc = Autodesk.AutoCAD.ApplicationServices.Document;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.Windows;