Visual C#.NET: Read CAD Drawings

• Views both DWG and DXF format files
• Read CAD drawings from any .NET Stream, scanned image, clipboard, http, ftp
• Fit the width, height or fit CAD drawings to a page
• Selectable background color

Requirements

• Operating systems - Windows 7, Windows Vista, and Windows XP, etc
• Compatible with .NET framework 2.0 and above versions
• Support Visual Studio 2005, 2010 and other .NET development environments
• Yiigo.Image for .NET installation
• Yiigo.Imaging for .NET CAD Plugin

Start to Read CAD Drawingss

• Open and run your Microsoft Visual Studio;
• Choose either "Visual C# Projects" in "New Project" dialog box;
• Choose "Windows Application" in the "Templates" List and name it "YiigoImagingCADReadCsharp";
• Right-click on the "References" folder, and select "Add Reference..." from the context menu in the "Solution Explorer" window;
• In the "Add Reference" dialog box, select the ".NET" tab and browse to Yiigo.Imaging.Net.dll library and Yiigo.Imaging.Net.Cad.Read.dll ;
• Add it to your Visual C# applications;
• Call Yiigo .NET Image Namespace & Copy those following codes:

using System.IO;
using System.Drawing.Printing;
using Yiigo.Imaging;
using Yiigo.Imaging.Processing;
using Yiigo.Imaging.CadRead;

// Open CAD drawings
CADDecoder dwgdecode = new CADDecoder();
RegisteredDecoders.Decoders.Add(myCADDecoder);

// Extract text from CAD drawings
private List<ExtractText> _textList = 
    new List<ExtractText>();

  private void ExtractText(string file)
  {
    if (file == null) 
      return;
    _textList.Clear();

    ExtractTextHandler txtHandler = 
         new ExtractTextHandler();

    txtHandler.OnTextFound += 
         new ExtractTextHandler.OnTextFoundHandler(
           txtHandler_OnTextFound);

   CADDecoder dwgdecode = new CADDecoder();

    using (Stream s = File.OpenRead(file))
    {
      dwgdecode.Distill(s, txtHandler, null);
    }

  }

  void txtHandler_OnTextFound(Text txt)
  {
    _textList.Add(txt);
  } 

// Save CAD drawings 
Dwgdecode.Save();