Simple c# classes to read and write a file in the format IFC 4 XML.

Start using Ifc.NET with NUGET (https://www.nuget.org/packages/Ifc.NET).
To install Ifc.NET in your .NET application, run the following command in the Package Manager Console in Visual Studio: "Install-Package Ifc.NET"

Your solution must run on the .NET Framework 4.5.

To read a file, please follow this steps:

Download an ifcxml sample file from here: https://github.com/CAFM-Connect/Ifc.NET/tree/master/src/SampleReader/SampleFiles and copy it to your computer.

Paste this code snippet into you code:

string Testfile = @"C:\Tmp\MyFirstIfcFile.ifcxml";
Ifc4.Document ifcDocument = Ifc4.Workspace.CurrentWorkspace.OpenDocument(Testfile);

Adjust the path to the file to the location, where you copied the sample file.

Run your application in Debug and look at the object ifcDocument.

For further information about the file spectification please visit http://www.buildingsmart-tech.org/ifc/IFC4/final/html/index.htm

string ifcFullName = @"C:\tmp\a.ifcxml";
Ifc4.Document document = Ifc4.Workspace.CurrentWorkspace.CreateDocument(ifcFullName, true);

var header = document.IfcXmlDocument.Header;
header.Organization = "My Organisation";

var ifcSite = document.Project.Sites.AddNewSite();
ifcSite.LongName = "A";

var ifcBuilding = ifcSite.Buildings.AddNewBuilding();
ifcBuilding.LongName = "B";

var ifcBuildingStorey = ifcBuilding.BuildingStoreys.AddNewBuildingStorey();
ifcBuildingStorey.LongName = "C";

var ifcSpace = ifcBuildingStorey.Spaces.AddNewSpace();
ifcSpace.LongName = "D";

document.Workspace.SaveDocument(ifcFullName);