// (C) Copyright 2012 by Autodesk

//

using System;

using Autodesk.AutoCAD.Runtime;

using Autodesk.AutoCAD.ApplicationServices;

using Autodesk.AutoCAD.DatabaseServices;

using Autodesk.AutoCAD.Geometry;

using Autodesk.AutoCAD.EditorInput;

using Autodesk.Gis.Map;

using Autodesk.Gis.Map.Project;

using Autodesk.Gis.Map.DisplayManagement;

// This line is not mandatory, but improves loading performances

[assembly: CommandClass(typeof(ChangeMapNameInDM.MyCommands))]

namespace ChangeMapNameInDM

{

// This class is instantiated by AutoCAD for each document when

// a command is called by the user the first time in the context

// of a given document. In other words, non static data in this class

// is implicitly per-document!

public class MyCommands

{

Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;

MapApplication app = HostMapApplicationServices.Application;

[Autodesk.AutoCAD.Runtime.CommandMethodAttribute("CHGMAPNAME")]

public void ChangeMapName()

{

try

{

string mapName = null;

PromptResult stringPromptResult = null;

bool succeeded = false;

stringPromptResult = ed.GetString("\nEnter the new Map name:");

mapName = stringPromptResult.StringResult.Trim();

if (stringPromptResult.Status == PromptStatus.OK

&& mapName.Length > 0)

{

succeeded = changeMapName(mapName);

}

else

{

ed.WriteMessage("\nERROR: Invalid Map name");

}

if (!succeeded)

{

ed.WriteMessage("\nERROR: Name change failure");

}

}

catch (System.Exception err)

{

ed.WriteMessage(err.Message);

}

}

private bool FindCurrentMapId(ref ObjectId currentMapId)

{

bool isFound = false;

// Get the project associated with the current AutoCAD document

ProjectModel project = null;

Autodesk.AutoCAD.DatabaseServices.TransactionManager TM

= app.ActiveProject.Database.TransactionManager;

project = app.ActiveProject;

try

{

using (Transaction trans = TM.StartTransaction())

{

ObjectId managerId = DisplayManager.Create(project)

.MapManagerId(project, true);

MapManager manager = trans.GetObject(managerId, OpenMode.ForRead)

as MapManager;

if (null != manager)

{

currentMapId = manager.CurrentMapId;

isFound = true;

}

trans.Commit();

}

}

catch (Autodesk.AutoCAD.Runtime.Exception)

{

ed.WriteMessage("\nUnable to get the current Map's Object ID.");

}

return isFound;

}

public bool changeMapName(string name)

{

// Get the Object Id for the current Map

ObjectId currentMapId = new ObjectId();

string message = "";

Autodesk.AutoCAD.DatabaseServices.TransactionManager TM

= app.ActiveProject.Database.TransactionManager;

if (!FindCurrentMapId(ref currentMapId))

{

return false;

}

try

{

using (Transaction trans = TM.StartTransaction())

{

Map currentMap = (Map)trans.GetObject(currentMapId, OpenMode.ForWrite);

// Change the name

currentMap.Name = name;

trans.Commit();

}

}

catch (Autodesk.AutoCAD.Runtime.Exception ex)

{

message = string.Format("\nUnable to change name, msg:{0}",

ex.Message);

ed.WriteMessage(message);

}

return true;

}

}

}