Frequently Asked Questions

General Technical Information

• How can I register my copy of DXFReader?
• What dependency files need to be distributed with DXFReader?
• What are the compatible containers of DXFReader?
• What are the main differences between DXFReader and other similar controls?
• How can I use DXFReader with Borland Delphi?
• Is DXFReader compatible with AutoCAD 2000/2008?
• How can I use DXFReader with Microsoft Visual FoxPro?
• How can I use DXFReader with Microsoft Visual J++?
• How can I use DXFReader with Borland C++ Builder 5?
• What dependency files need to be distributed with IXF ActiveX Control?
• AutoCAD Color Index (ACI) and Red Green Blue (RGB) Color Table
• I tried to insert an instance of DXFReader inside a Microsoft Visual C++ project (newly created, with enabled support for ActiveX, etc...) and I got several error messages. How can I use DXFReader with Microsoft Visual C++?
• On how many machines am I allowed to install Kadmos controls?
• How can I use Postel ActiveX Control with Borland Delphi?
• How can I use DXFReader ActiveX Control with Visual Studio.NET?
• Is DXFReader compatible with Delphi 7?
• I have a registered DXFReader Activex Control that is included in an application.
  Why in some installations sometimes appears the banner of "Unregistered version"?
• Is DXFReader royalty free?
• What are the differences between the demo version and the full version of any Kadmos software?
• Using DXFReader with Visual Studio.NET 2003 I receive an error. How can I resolve?
• The new version 1.60 of DXFReader ActiveX Control has changed the GUID (global unique identifier). How can I easily convert my program to use the new version of the control?
• How can I use IXF ActiveX Control with Borland Delphi?

How to do questions

• How can I calculate the area of a closed polyline?
• How can I use DXFReader without using the GUI?
• How can I use DXFPlot with Borland Delphi?
• How can I plot my drawing with a particular scale, for example 1:20?
• The Scroll Bars do not appear regardless of the design/run time setting of the 'ScrollBars' property. Zoom settings do not seem to effect this as I have loaded large files into the control and zoomed into a small area.
  How can I resolve?
• How can I retrieve the vertexes' coordinates of a polyline?
• How can attach an external reference (xref) to my drawing?
• How can I delete entities from a drawing?
• Can I read/write DWG files with DXFReader?
• How can I retrieve the layers' names using Borland C++ Builder 5?
• How can I import a PC/IXF file on a DB2 Table using DB2 Universal Database?
• I'm not able to change printer orientation even if using the PlotRotation property. How can I resolve it?
• How can I load and display a DXF file in "UNIX" format?
• How do I access Hidden Properties in C++. I need to get the ANGDIR property, but it is not available as a part of the OCX.
• I'm using it in a VS.NET project. I have a some problem when adding layers and entities to the DXFReader object.
  
  Dim layerName As String = Trim(textLayerName.Text)
  Call DxfReader.AddLayer(layerName)
  
  The error message is:
  
  An unhandled exception of type 'System.ArgumentException' occurred in mscorlib.dll
  Additional information: Object type cannot be converted to target type.
  
  There is an overloaded AddLayer method with color and linetype, but I don't have info on the string constants used for linetype.
  Ho can I resolve?
• How can I insert an IMAGE entity in a drawing?
• How can I retrieve the layers' names using C#?

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