checkXref.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using System.Reflection;
using System.Runtime;
using System.Windows.Forms;
using System.IO;
using System.ComponentModel;
using System.Data;
using System.Drawing;

using Autodesk.AutoCAD.DatabaseServices;
using System.Runtime.InteropServices;
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.Geometry;

//[assembly: SecuredApplication(
//@"license")]

namespace GetFrameOfRealDwg
{
    class MyHostApplicationServices : Autodesk.AutoCAD.DatabaseServices.HostApplicationServices
    {
        public override System.String FindFile(System.String fileName,
                                                Autodesk.AutoCAD.DatabaseServices.Database database,
                                                 Autodesk.AutoCAD.DatabaseServices.FindFileHint hint
                                                 )
        {
            return string.Empty;
        }
        static public ArrayList GetBlockNames(Database db)
        {
            ArrayList array = new ArrayList();
            Transaction tran = db.TransactionManager.StartTransaction();
            try
            {
                BlockTable bt = (BlockTable)tran.GetObject(db.BlockTableId, OpenMode.ForWrite);
                foreach (ObjectId recordid in bt)
                {
                    BlockTableRecord record = (BlockTableRecord)tran.GetObject(recordid, OpenMode.ForRead);
                    if (record.IsFromExternalReference) {
                        array.Add("\t" + record.Name + "\t" + record.PathName);
                    }
                }
            }
            catch
            {
            }
            finally
            {
            }
            return array;
        }
        static int Main(string[] args)
        {
            MyHostApplicationServices myserver = new MyHostApplicationServices();
            int lcid = 0x00001033; // English
            int num = 0;
            RuntimeSystem.Initialize(myserver, lcid);
            for (int i = 0; i < args.Length; i++) {
                System.Console.WriteLine(args[i]);
                Database Db = new Database(false, true);
                Db.ReadDwgFile(args[i], FileShare.Read, false, "");
                ArrayList ar = GetBlockNames(Db);
                if (ar.Count > 0) {
                    foreach (string str in ar)
                    {
                        System.Console.WriteLine(str);
                    }
                    num++;
                } else {
                    System.Console.WriteLine("\t无外部参照");
                }
                System.Console.WriteLine("");
            }
            RuntimeSystem.Terminate();
            return num;
        }
    }
}