Drawing file is not valid

[amirj0914]

Autocad gives the error after wrriting DWG file with this simple code :

`

        string dwgFilePath = @"G:/output.dwg";

        CadDocument doc = new CadDocument(ACadVersion.AC1024);

        //Create a point located in (10, 10, 0)
        Point pt = new Point
        {
            Location = new CSMath.XYZ(10, 10, 0)
        };

        //Create a line from the origin to the point (5, 5, 0)
        Line line = new Line
        {
            StartPoint = CSMath.XYZ.Zero,
            EndPoint = new CSMath.XYZ(5, 5, 0)
        };

        doc.Entities.Add(pt);
        doc.Entities.Add(line);

        DwgWriter writer = new DwgWriter(dwgFilePath, doc);

`
After opening the exported file with Autocad 2017 :

[thaiguer]

Hello, @amirj0914

Make shure you are using the latest version: dotnet add package ACadSharp --version 1.0.0

I created a new file with the following code, and I had success opening it with BricsCad.

There are a few diferences to your code. First, the dwgFilePath, the way you wrote it, seems to be incorrect. And in the end, you forgot to use the method "Write", from the class DwgWriter.`

Here is the code:

using ACadSharp;
using ACadSharp.Entities;
using ACadSharp.IO;

//old line:
//string dwgFilePath = @"G:/output.dwg";

//new line:
string dwgFilePath = @"C:\dev\output.dwg";

CadDocument doc = new CadDocument(ACadVersion.AC1024);

//Create a point located in (10, 10, 0)
Point pt = new Point
{
    Location = new CSMath.XYZ(10, 10, 0)
};

//Create a line from the origin to the point (5, 5, 0)
Line line = new Line
{
    StartPoint = CSMath.XYZ.Zero,
    EndPoint = new CSMath.XYZ(5, 5, 0)
};

doc.Entities.Add(pt);
doc.Entities.Add(line);

DwgWriter writer = new DwgWriter(dwgFilePath, doc);

//new line:
writer.Write();

[amirj0914]

Thank you so much for your quick reply.
The problem has been resolved. Exporting DWG files without AutoCAD was an ambition of mine.
I need two help :

• Exportin DWG for Autocad AC1021 (version 2007)
• Displying DWG on a Form without needing Autocad.

[DomCR]

Hi @amirj0914,

Right now ACadSharp can export in this versions.

Unfortunately the version AC1021 is not available due this version has an specific encryption, it has been resolved for the reader but reversing the code for the writer is quite a job.

For AC1027 there is an unknown error in the code that I have to find.

I'll open a branch to keep in mind to add the feature to write files in AC1021 but I cannot guarantee that this will be implemented soon.

[amirj0914]

Thank yo so much,
My target is AC1021 for writing dwg file , I will appricate you if you resolve the problem for this version.