RevitLookup.Test.SDKSamples.StructuralSample.StructSample.PlaceColumn C# (CSharp) Method

        private void PlaceColumn( Autodesk.Revit.ApplicationServices.Application rvtApp, Document rvtDoc, Autodesk.Revit.DB.XYZ point2, double angle, FamilySymbol columnType, ElementId baseLevelId, ElementId topLevelId )
        {
            Autodesk.Revit.DB.XYZ point = point2;
              // Note: Must use level-hosted NewFamilyInstance!
              Level instLevel = (Level) rvtDoc.GetElement( baseLevelId );
              Autodesk.Revit.DB.FamilyInstance column = rvtDoc.Create.NewFamilyInstance( point, columnType, instLevel, StructuralType.Column );

              if( column == null )
              {
            MessageBox.Show( "failed to create an instance of a column." );
            return;
              }

              Autodesk.Revit.DB.XYZ zVec = new Autodesk.Revit.DB.XYZ( 0, 0, 1 );

              Autodesk.Revit.DB.Line axis = Line.CreateUnbound( point, zVec );

              column.Location.Rotate( axis, angle );

              // Set the level Ids
              Parameter baseLevelParameter = column.get_Parameter( Autodesk.Revit.DB.BuiltInParameter.FAMILY_BASE_LEVEL_PARAM );
              Parameter topLevelParameter = column.get_Parameter( Autodesk.Revit.DB.BuiltInParameter.FAMILY_TOP_LEVEL_PARAM ); ;
              baseLevelParameter.Set( baseLevelId );
              topLevelParameter.Set( topLevelId );
        }