Index: src/Plugins/Wti/Wti.Plugin/WtiApplicationPlugin.cs
===================================================================
diff -u -rd6424435444e760d052fe6d8c8786e01bddf9d2b -rbb61ed227cf79e994b84019096e4297b2fbd4527
--- src/Plugins/Wti/Wti.Plugin/WtiApplicationPlugin.cs	(.../WtiApplicationPlugin.cs)	(revision d6424435444e760d052fe6d8c8786e01bddf9d2b)
+++ src/Plugins/Wti/Wti.Plugin/WtiApplicationPlugin.cs	(.../WtiApplicationPlugin.cs)	(revision bb61ed227cf79e994b84019096e4297b2fbd4527)
@@ -2,6 +2,8 @@
 using DelftTools.Shell.Core;
 using Mono.Addins;
 using Wti.Data;
+using Wti.Plugin.FileImporter;
+
 using WtiFormsResources = Wti.Forms.Properties.Resources;
 using ApplicationResources = Wti.Plugin.Properties.Resources;
 
@@ -52,5 +54,10 @@
                 CreateData = owner => new WtiProject()
             };
         }
+
+        public override IEnumerable<IFileImporter> GetFileImporters()
+        {
+            yield return new PipingSurfaceLinesCsvImporter();
+        }
     }
 }
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