【每天一个demo】计算2点之间的距离:访问ObjectARX.NET封装类

最新推荐文章于 2023-11-12 11:47:00 发布

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#assembly #constructor #command #object #class #c

本文详细介绍如何在Visual Studio 2005中创建AutoCAD插件项目，并通过具体示例展示如何使用C#实现基本的命令交互功能，如获取CAD中的点坐标及两点间距离。

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在vs2005当中新建个项目CsMgdAcad5，打开Commands.cs代码，添加引用3个空间

using Autodesk.AutoCAD.Runtime; using Autodesk.AutoCAD.ApplicationServices; using Autodesk.AutoCAD.EditorInput;

接着插入语句：[assembly: CommandClass(typeof(CsMgdAcad5.Commands))]，同时注册CsMgdAcad5的命令。

整体的代码如下：

// (C) Copyright 2002-2007 by Autodesk, Inc. // // Permission to use, copy, modify, and distribute this software in // object code form for any purpose and without fee is hereby granted, // provided that the above copyright notice appears in all copies and // that both that copyright notice and the limited warranty and // restricted rights notice below appear in all supporting // documentation. // // AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS. // AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF // MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC. // DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE // UNINTERRUPTED OR ERROR FREE. // // Use, duplication, or disclosure by the U.S. Government is subject to // restrictions set forth in FAR 52.227-19 (Commercial Computer // Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii) // (Rights in Technical Data and Computer Software), as applicable. // using System; using Autodesk.AutoCAD.Runtime; using Autodesk.AutoCAD.ApplicationServices; using Autodesk.AutoCAD.EditorInput; [assembly: CommandClass(typeof(CsMgdAcad5.Commands))] //将直接通过auto cad 的Initialize命令进行初始化，并 namespace CsMgdAcad5 { /// <summary> /// Summary description for Commands. /// </summary> public class Commands { public Commands() { // // TODO: Add constructor logic here // } // Define Command "AsdkCmd1" [CommandMethod("AsdkCmd1")] static public void test() // This method can have any name { Document doc=Application.DocumentManager.MdiActiveDocument; Editor ed=doc.Editor; PromptPointOptions prpoint = new PromptPointOptions("select a point"); PromptPointResult prpointres; prpointres = ed.GetPoint(prpoint); if (prpointres.Status != PromptStatus.OK) { ed.WriteMessage("找不到该点"); } else { ed.WriteMessage("找到有效的点"+prpointres.Value.ToString()); } // Put your command code here } [CommandMethod("getinstance")] static public void getinstance() { Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; try { PromptDistanceOptions distanceoptions = new PromptDistanceOptions("请选择第一个点："); PromptDoubleResult PriDisRes; PriDisRes = ed.GetDistance(distanceoptions); if (PriDisRes.Status != PromptStatus.OK) { ed.WriteMessage("对不起，有错误，请重新输入"); } else { ed.WriteMessage("这条直线的距离是："+PriDisRes.Value.ToString()); } } catch(System.Exception e) { ed.WriteMessage("存在错误"+e.Message); } } } }

进行编译，在auto cad当中输入netload，加载CsMgdAcad5.dll，然后在输入：AsdkCmd1命令，表示查询CAD某点的坐标。

输入getinstance，表示查询某2点的距离。