Open a .dwg file in C# windows application

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I want to open and manipulate.dwg file in c# windows application.All the solutions i have read are opening the file in autocad .Any suggestions would be appreciated.Thanks in advance

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open a .dwg file in c# windows application

Posted 19-Nov-23 1:10am

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Richard MacCutchan 19-Nov-23 7:14am

You need to write the code to manage the file's content, or find a library that can do it for you.

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Mike Hankey · Answer 1 · 2023-11-19T02:13:00

It depends what you mean by manipulate?

No matter what you do with the file you will need to know the file format, see DWG File Format[^]

From there you can directly edit the raw text or visually modify the data.

In either case it is a daunting effort that has taken teams of experts many the man hours to do.

Andre Oosthuizen · Answer 2 · 2023-11-20T07:57:00

You showed no effort by showing us your code, you need to reference autocad, which is the correct app to open .dwg, to "manipulate it as you state.

Another solution is to use DWG TrueView - View and convert 2D and 3D DWG files \ Free (as they state)[^]

Your code will then start with -

C#

using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.EditorInput;
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.Windows;
using Autodesk.AutoCAD.Interop;

public class DWGViewer
{
//My code follows...
}

Member 14651331 · Answer 3 · 2023-11-19T23:38:00

Solution 2

By manipulate i want to edit the drawing using .net code change colors or apply labels etc.my main task is to open a dwg file in c# in picture box or in form etc.i have tired many methods but they are opening file in autocad.

Posted 19-Nov-23 23:38pm

Member 14651331

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Richard MacCutchan 20-Nov-23 6:01am

Firstly, this is not a solution. if you wish to reply to someone's post, the use the Have a Question or Comment? link below a Solution entry, or if you wish to reply to a comment then please use the Reply button above the message.

And secondly, you have been given two possible lines of enquiry which you need to follow yourself.

Open a .dwg file in C# windows application

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