iDwgField: [코드]계산기기능 (postID=3352286799413239524)

using System;

using Autodesk.AutoCAD.ApplicationServices;

using Autodesk.AutoCAD.DatabaseServices;

using Autodesk.AutoCAD.EditorInput;

using Autodesk.AutoCAD.Runtime;

using Autodesk.AutoCAD.Geometry;

using Autodesk.AutoCAD.GraphicsInterface;

using AcadApp = Autodesk.AutoCAD.ApplicationServices.Application;

using WinApp = System.Windows.Forms.Application;

public class MathParser

    public static double EvalExpression(char[] expr)

        return parseSummands(expr, 0);

    private static double parseSummands(char[] expr, int index)

        double x = parseFactors(expr, ref index);

        while (true)

            char op = expr[index];

            if (op != '+' && op != '-')

                return x;

            index++;

            double y = parseFactors(expr, ref index);

            if (op == '+')

                x += y;

            else

                x -= y;

    private static double parseFactors(char[] expr, ref int index)

        double x = GetDouble(expr, ref index);

        while (true)

            char op = expr[index];

            if (op != '/' && op != '*')

               return x;

            index++;

            double y = GetDouble(expr, ref index);

            if (op == '/')

                x /= y;

            else

                x *= y;

    private static double GetDouble(char[] expr, ref int index)

        string dbl = "";

        while (((int)expr[index] >= 48 && (int)expr[index] < 57) || expr[index] == 46)

            dbl = dbl + expr[index].ToString();

            index++;

            if (index == expr.Length)

                index--;

                break;

        return double.Parse(dbl);

public class Script

    private ObjectId _idField;

    private ObjectId _idFrom;

    private ObjectId _idTo;

    public string Open(string hField, string hFrom, string hTo)

        Document doc = AcadApp.DocumentManager.MdiActiveDocument;

        Editor ed = doc.Editor;

try

            Database db = doc.Database;

            long ln1 = Convert.ToInt64(hField, 16);

            Handle hn1 = new Handle(ln1);

            _idField = db.GetObjectId(false, hn1, 0);

            long ln2 = Convert.ToInt64(hFrom, 16);

            if(ln2>0){

            Handle hn2 = new Handle(ln2);

            _idFrom = db.GetObjectId(false, hn2, 0);

            long ln3 = Convert.ToInt64(hTo, 16);

            if(ln3>0){

            Handle hn3 = new Handle(ln3);

            _idTo = db.GetObjectId(false, hn3, 0);

        catch(Autodesk.AutoCAD.Runtime.Exception e)

            return e.Message;

        return Regen(hField, hFrom, hTo);

    public string Regen(string hField, string hFrom, string hTo)

        Document doc = Application.DocumentManager.MdiActiveDocument;

        Database db = doc.Database;

        using (Transaction tr = db.TransactionManager.StartTransaction())

                string evalStr = null;

                Entity fromEntity = tr.GetObject(_idFrom, OpenMode.ForRead, false) as Entity;

                if (fromEntity == null)

                if (fromEntity .GetType() == typeof(MText))

                    evalStr  = ((MText)fromEntity ).Contents;

                else

                    evalStr  = ((DBText)fromEntity ).TextString;

                string result = MathParser.EvalExpression(evalStr.ToCharArray()).ToString();

                Entity toEntity = tr.GetObject(_idTo, OpenMode.ForWrite, false) as Entity;

                if (toEntity == null)

                if (toEntity .GetType() == typeof(MText))

                    ((MText)toEntity ).Contents = result.ToString();

                else

                    ((DBText)toEntity ).TextString = result.ToString();

                tr.Commit();

        return "계산기";

    public void Modified(string hnd)

    public void Erased(string isErasing)

    public void Copied(string newId)

    public void Exit(string msg)

iDwgField