/// <summary>
/// Exports an element as IFC railing.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element to be exported.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportRailing(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcRailing;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
using (IFCTransaction transaction = new IFCTransaction(file))
{
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
StairRampContainerInfo stairRampInfo = null;
ElementId hostId = GetStairOrRampHostId(exporterIFC, element as Railing);
Transform inverseTrf = Transform.Identity;
if (hostId != ElementId.InvalidElementId)
{
stairRampInfo = ExporterCacheManager.StairRampContainerInfoCache.GetStairRampContainerInfo(hostId);
IFCAnyHandle stairRampLocalPlacement = stairRampInfo.LocalPlacements[0];
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(stairRampLocalPlacement, localPlacement);
inverseTrf = relTrf.Inverse;
IFCAnyHandle railingLocalPlacement = ExporterUtil.CreateLocalPlacement(file, stairRampLocalPlacement,
inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
localPlacement = railingLocalPlacement;
}
ecData.SetLocalPlacement(localPlacement);
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geomElem);
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
IList <GeometryObject> gObjs = FamilyExporterUtil.RemoveInvisibleSolidsAndMeshes(element.Document, exporterIFC, ref solids, ref meshes);
Railing railingElem = element as Railing;
IList <ElementId> subElementIds = CollectSubElements(railingElem);
foreach (ElementId subElementId in subElementIds)
{
Element subElement = railingElem.Document.GetElement(subElementId);
if (subElement != null)
{
GeometryElement subElementGeom = GeometryUtil.GetOneLevelGeometryElement(subElement.get_Geometry(geomOptions), 0);
SolidMeshGeometryInfo subElementSolidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(subElementGeom);
IList <Solid> subElemSolids = subElementSolidMeshInfo.GetSolids();
IList <Mesh> subElemMeshes = subElementSolidMeshInfo.GetMeshes();
IList <GeometryObject> partGObjs = FamilyExporterUtil.RemoveInvisibleSolidsAndMeshes(element.Document, exporterIFC, ref subElemSolids, ref subElemMeshes);
foreach (Solid subElSolid in subElemSolids)
{
solids.Add(subElSolid);
}
foreach (Mesh subElMesh in subElemMeshes)
{
meshes.Add(subElMesh);
}
}
}
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.Medium);
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, solids, meshes, bodyExporterOptions, ecData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geomElem);
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, geomlist, bodyExporterOptions, ecData);
}
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
if (ecData != null)
{
ecData.ClearOpenings();
}
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IList <GeometryObject> geomObjects = new List <GeometryObject>(solids);
foreach (Mesh mesh in meshes)
{
geomObjects.Add(mesh);
}
Transform boundingBoxTrf = (bodyData.OffsetTransform != null) ? bodyData.OffsetTransform.Inverse : Transform.Identity;
boundingBoxTrf = inverseTrf.Multiply(boundingBoxTrf);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string instanceGUID = GUIDUtil.CreateGUID(element);
IFCExportInfoPair exportInfo = ExporterUtil.GetProductExportType(exporterIFC, element, out ifcEnumType);
IFCAnyHandle railing = IFCInstanceExporter.CreateGenericIFCEntity(exportInfo, exporterIFC, element, instanceGUID, ownerHistory,
ecData.GetLocalPlacement(), prodRep);
bool associateToLevel = (hostId == ElementId.InvalidElementId);
productWrapper.AddElement(element, railing, setter, ecData, associateToLevel, exportInfo);
OpeningUtil.CreateOpeningsIfNecessary(railing, element, ecData, bodyData.OffsetTransform,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
IFCAnyHandle singleMaterialOverrideHnd = null;
IList <ElementId> matIds = null;
ElementId defaultMatId = ElementId.InvalidElementId;
ElementId matId = CategoryUtil.GetBaseMaterialIdForElement(element);
// Get IfcSingleMaterialOverride to work for railing
singleMaterialOverrideHnd = ExporterUtil.GetSingleMaterial(exporterIFC, element, matId);
if (singleMaterialOverrideHnd != null)
{
matIds = new List <ElementId> {
matId
};
}
else
{
matIds = bodyData.MaterialIds;
defaultMatId = matIds[0];
// Check if all the items are the same, then get the first material id
if (matIds.All(x => x == defaultMatId))
{
matIds = new List <ElementId> {
defaultMatId
};
}
}
CategoryUtil.CreateMaterialAssociationWithShapeAspect(exporterIFC, element, railing, bodyData.RepresentationItemInfo);
// Create multi-story duplicates of this railing.
if (stairRampInfo != null)
{
stairRampInfo.AddComponent(0, railing);
List <IFCAnyHandle> stairHandles = stairRampInfo.StairOrRampHandles;
for (int ii = 1; ii < stairHandles.Count; ii++)
{
IFCAnyHandle railingLocalPlacement = stairRampInfo.LocalPlacements[ii];
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(railingLocalPlacement))
{
IFCAnyHandle railingHndCopy = CopyRailingHandle(exporterIFC, element, catId, railingLocalPlacement, railing);
stairRampInfo.AddComponent(ii, railingHndCopy);
productWrapper.AddElement(element, railingHndCopy, (IFCLevelInfo)null, ecData, false, exportInfo);
CategoryUtil.CreateMaterialAssociationWithShapeAspect(exporterIFC, element, railingHndCopy, bodyData.RepresentationItemInfo);
}
}
ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(hostId, stairRampInfo);
}
}
transaction.Commit();
}
}
}
private void GenerateIFCObjectsIfNeeded()
{
if (m_needToGenerateIFCObjects)
{
m_needToGenerateIFCObjects = false;
}
else
{
return;
}
IFCAnyHandle materialLayerSet = null;
if (m_ProductWrapper != null && !m_ProductWrapper.ToNative().IsValidObject)
{
m_ProductWrapper = null;
}
m_ProductWrapper?.ClearFinishMaterials();
// We can't create IfcMaterialLayers without creating an IfcMaterialLayerSet. So we will simply collate here.
IList <IFCAnyHandle> materialHnds = new List <IFCAnyHandle>();
IList <int> widthIndices = new List <int>();
double thickestLayer = 0.0;
for (int ii = 0; ii < MaterialIds.Count; ++ii)
{
// Require positive width for IFC2x3 and before, and non-negative width for IFC4.
if (MaterialIds[ii].m_matWidth < -MathUtil.Eps())
{
continue;
}
bool almostZeroWidth = MathUtil.IsAlmostZero(MaterialIds[ii].m_matWidth);
if (!ExporterCacheManager.ExportOptionsCache.ExportAs4 && almostZeroWidth)
{
continue;
}
if (almostZeroWidth)
{
MaterialIds[ii].m_matWidth = 0.0;
}
IFCAnyHandle materialHnd = CategoryUtil.GetOrCreateMaterialHandle(m_ExporterIFC, MaterialIds[ii].m_baseMatId);
if (m_PrimaryMaterialHandle == null || (MaterialIds[ii].m_matWidth > thickestLayer))
{
m_PrimaryMaterialHandle = materialHnd;
thickestLayer = MaterialIds[ii].m_matWidth;
}
widthIndices.Add(ii);
materialHnds.Add(materialHnd);
if ((m_ProductWrapper != null) && (MaterialIds[ii].m_function == MaterialFunctionAssignment.Finish1 || MaterialIds[ii].m_function == MaterialFunctionAssignment.Finish2))
{
m_ProductWrapper.AddFinishMaterial(materialHnd);
}
}
int numLayersToCreate = widthIndices.Count;
if (numLayersToCreate == 0)
{
m_MaterialLayerSetHandle = materialLayerSet;
return;
}
// If it is a single material, check single material override (only IfcMaterial without IfcMaterialLayerSet with only 1 member)
if (numLayersToCreate == 1 && ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
m_MaterialLayerSetHandle = ExporterUtil.GetSingleMaterial(m_ExporterIFC, m_Element,
MaterialIds[0].m_baseMatId) ?? materialHnds[0];
return;
}
IFCFile file = m_ExporterIFC.GetFile();
Document document = ExporterCacheManager.Document;
IList <IFCAnyHandle> layers = new List <IFCAnyHandle>(numLayersToCreate);
IList <Tuple <string, IFCAnyHandle> > layerWidthQuantities = new List <Tuple <string, IFCAnyHandle> >();
HashSet <string> layerNameUsed = new HashSet <string>();
double totalWidth = 0.0;
for (int ii = 0; ii < numLayersToCreate; ii++)
{
int widthIndex = widthIndices[ii];
double scaledWidth = UnitUtil.ScaleLength(MaterialIds[widthIndex].m_matWidth);
string layerName = "Layer";
string description = null;
string category = null;
int? priority = null;
IFCLogical?isVentilated = null;
int isVentilatedValue;
Material material = document.GetElement(MaterialIds[ii].m_baseMatId) as Material;
if (material != null)
{
if (ParameterUtil.GetIntValueFromElement(material, "IfcMaterialLayer.IsVentilated", out isVentilatedValue) != null)
{
if (isVentilatedValue == 0)
{
isVentilated = IFCLogical.False;
}
else if (isVentilatedValue == 1)
{
isVentilated = IFCLogical.True;
}
}
if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
{
layerName = MaterialIds[ii].m_layerName;
if (string.IsNullOrEmpty(layerName))
{
layerName = "Layer";
}
// Ensure layer name is unique
layerName = NamingUtil.GetUniqueNameWithinSet(layerName, ref layerNameUsed);
description = NamingUtil.GetOverrideStringValue(material, "IfcMaterialLayer.Description",
IFCAnyHandleUtil.GetStringAttribute(materialHnds[ii], "Description"));
category = NamingUtil.GetOverrideStringValue(material, "IfcMaterialLayer.Category",
IFCAnyHandleUtil.GetStringAttribute(materialHnds[ii], "Category"));
int priorityValue;
if (ParameterUtil.GetIntValueFromElement(material, "IfcMaterialLayer.Priority", out priorityValue) != null)
{
priority = priorityValue;
}
}
}
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
// Skip component that has zero width (the will be no geometry associated to it
if (MathUtil.IsAlmostZero(scaledWidth))
{
continue;
}
IFCAnyHandle materialConstituent = IFCInstanceExporter.CreateMaterialConstituent(file, materialHnds[ii],
name: layerName, description: description, category: category);
layers.Add(materialConstituent);
IFCAnyHandle layerQtyHnd = IFCInstanceExporter.CreateQuantityLength(file, "Width", description, null, scaledWidth);
totalWidth += scaledWidth;
layerWidthQuantities.Add(new Tuple <string, IFCAnyHandle>(layerName, layerQtyHnd));
}
else
{
IFCAnyHandle materialLayer = IFCInstanceExporter.CreateMaterialLayer(file, materialHnds[ii], scaledWidth, isVentilated,
name: layerName, description: description, category: category, priority: priority);
layers.Add(materialLayer);
}
}
ElementId typeElemId = m_Element.GetTypeId();
if (layers.Count > 0)
{
Element type = document.GetElement(typeElemId);
string layerSetName = NamingUtil.GetOverrideStringValue(type, "IfcMaterialLayerSet.Name", m_ExporterIFC.GetFamilyName());
string layerSetDesc = NamingUtil.GetOverrideStringValue(type, "IfcMaterialLayerSet.Description", null);
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
HashSet <IFCAnyHandle> constituents = new HashSet <IFCAnyHandle>(layers);
m_MaterialLayerSetHandle = IFCInstanceExporter.CreateMaterialConstituentSet(file, constituents, name: layerSetName, description: layerSetDesc);
foreach (Tuple <string, IFCAnyHandle> layerWidthQty in layerWidthQuantities)
{
m_LayerQuantityWidthHnd.Add(IFCInstanceExporter.CreatePhysicalComplexQuantity(file, layerWidthQty.Item1, null,
new HashSet <IFCAnyHandle>()
{
layerWidthQty.Item2
}, "Layer", null, null));
}
// Finally create the total width as a quantity
m_LayerQuantityWidthHnd.Add(IFCInstanceExporter.CreateQuantityLength(file, "Width", null, null, totalWidth));
}
else
{
m_MaterialLayerSetHandle = IFCInstanceExporter.CreateMaterialLayerSet(file, layers, layerSetName, layerSetDesc);
}
ExporterCacheManager.MaterialSetCache.RegisterLayerSet(typeElemId, m_MaterialLayerSetHandle, this);
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(m_PrimaryMaterialHandle))
{
ExporterCacheManager.MaterialSetCache.RegisterPrimaryMaterialHnd(typeElemId, m_PrimaryMaterialHandle);
}
}
private static bool ExportGenericElementAsMappedItem(ExporterIFC exporterIFC,
Element element, GeometryElement geomElem, IFCExportInfoPair exportType,
ProductWrapper wrapper)
{
GeometryInstance geometryInstance = GetTheGeometryInstance(geomElem);
if (geometryInstance == null)
{
return(false);
}
GeometryElement exportGeometry = geometryInstance.GetSymbolGeometry();
if (exportGeometry == null)
{
return(false);
}
ElementId symbolId = geometryInstance.GetSymbolGeometryId()?.SymbolId ?? ElementId.InvalidElementId;
ElementType elementType = element.Document.GetElement(symbolId) as ElementType;
if (elementType == null)
{
return(false);
}
Transform originalTrf = geometryInstance.Transform;
// Can't handle mirrored transforms yet.
if (originalTrf.HasReflection)
{
return(false);
}
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
IFCFile file = exporterIFC.GetFile();
IList <Transform> repMapTrfList = new List <Transform>();
BodyData bodyData = null;
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
IFCExtrusionCreationData extraParams = typeInfo.extraParams;
Transform offsetTransform = Transform.Identity;
// We will create a new mapped type if we haven't already created the type.
FamilyTypeInfo currentTypeInfo = ExporterCacheManager.FamilySymbolToTypeInfoCache.Find(symbolId, false, exportType);
bool found = currentTypeInfo.IsValid();
if (!found)
{
IList <IFCAnyHandle> representations3D = new List <IFCAnyHandle>();
IFCAnyHandle dummyPlacement = ExporterUtil.CreateLocalPlacement(file, null, null);
extraParams.SetLocalPlacement(dummyPlacement);
using (TransformSetter trfSetter = TransformSetter.Create())
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(false, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
bodyData = BodyExporter.ExportBody(exporterIFC, element, categoryId,
ExporterUtil.GetSingleMaterial(element), exportGeometry,
bodyExporterOptions, extraParams);
typeInfo.MaterialIdList = bodyData.MaterialIds;
offsetTransform = bodyData.OffsetTransform;
// This code does not handle openings yet.
// The intention for this is FabricationParts and DirectShapes which do not
// currently have opening.
// If they can have openings in the future, we can add this.
IFCAnyHandle bodyRepHnd = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepHnd) || extraParams.GetOpenings().Count > 0)
{
return(false);
}
representations3D.Add(bodyRepHnd);
repMapTrfList.Add(null);
}
typeInfo.StyleTransform = ExporterIFCUtils.GetUnscaledTransform(exporterIFC,
extraParams.GetLocalPlacement());
IFCAnyHandle typeStyle = FamilyInstanceExporter.CreateTypeEntityHandle(exporterIFC,
ref typeInfo, null, representations3D, repMapTrfList, null,
element, elementType, elementType, false, false,
exportType, out HashSet <IFCAnyHandle> propertySets);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
{
wrapper.RegisterHandleWithElementType(elementType, exportType, typeStyle,
propertySets);
typeInfo.Style = typeStyle;
CategoryUtil.TryToCreateMaterialAssocation(exporterIFC, bodyData, elementType,
element, exportGeometry, typeStyle, typeInfo);
// Create other generic classification from ClassificationCode(s)
ClassificationUtil.CreateClassification(exporterIFC, file, elementType, typeStyle);
ClassificationUtil.CreateUniformatClassification(exporterIFC, file, elementType, typeStyle);
}
}
if (found && !typeInfo.IsValid())
{
typeInfo = currentTypeInfo;
}
// we'll pretend we succeeded, but we'll do nothing.
if (!typeInfo.IsValid())
{
return(false);
}
extraParams = typeInfo.extraParams;
// We expect no openings, so always add to map.
ExporterCacheManager.FamilySymbolToTypeInfoCache.Register(symbolId, false, exportType, typeInfo);
XYZ scaledMapOrigin = XYZ.Zero;
Transform scaledTrf = originalTrf.Multiply(typeInfo.StyleTransform);
// create instance.
IList <IFCAnyHandle> shapeReps = FamilyInstanceExporter.CreateShapeRepresentations(exporterIFC,
file, element, categoryId, typeInfo, scaledMapOrigin);
if (shapeReps == null)
{
return(false);
}
Transform boundingBoxTrf = (offsetTransform != null) ? offsetTransform.Inverse : Transform.Identity;
boundingBoxTrf = boundingBoxTrf.Multiply(scaledTrf.Inverse);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomElem, boundingBoxTrf);
if (boundingBoxRep != null)
{
shapeReps.Add(boundingBoxRep);
}
IFCAnyHandle repHnd = (shapeReps.Count > 0) ? IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps) : null;
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, scaledTrf, null))
{
IFCAnyHandle instanceHandle = null;
IFCAnyHandle localPlacement = setter.LocalPlacement;
bool materialAlreadyAssociated = false;
// We won't create the instance if:
// (1) we are exporting to CV2.0/RV, (2) we have no 2D, 3D, or bounding box geometry, and (3) we aren't exporting parts.
if (!(repHnd == null &&
(ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2 ||
ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)))
{
string instanceGUID = GUIDUtil.CreateGUID(element);
bool isChildInContainer = element.AssemblyInstanceId != ElementId.InvalidElementId;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
bool isBuildingElementProxy =
((exportType.ExportInstance == IFCEntityType.IfcBuildingElementProxy) ||
(exportType.ExportType == IFCEntityType.IfcBuildingElementProxyType));
ElementId roomId = setter.UpdateRoomRelativeCoordinates(element,
out IFCAnyHandle localPlacementToUse);
bool containedInSpace = (roomId != ElementId.InvalidElementId) && (exportType.ExportInstance != IFCEntityType.IfcSystemFurnitureElement);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
if (!isBuildingElementProxy)
{
instanceHandle = IFCInstanceExporter.CreateGenericIFCEntity(exportType, exporterIFC, element, instanceGUID,
ownerHistory, localPlacementToUse, repHnd);
}
else
{
instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(exporterIFC, element, instanceGUID,
ownerHistory, localPlacementToUse, repHnd, exportType.ValidatedPredefinedType);
}
bool associateToLevel = !containedInSpace && !isChildInContainer;
wrapper.AddElement(element, instanceHandle, setter, extraParams, associateToLevel, exportType);
if (containedInSpace)
{
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, instanceHandle);
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
if (ElementFilteringUtil.IsMEPType(exportType) || ElementFilteringUtil.ProxyForMEPType(element, exportType))
{
ExporterCacheManager.MEPCache.Register(element, instanceHandle);
}
ExporterCacheManager.HandleToElementCache.Register(instanceHandle, element.Id);
if (!materialAlreadyAssociated)
{
// Create material association for the instance only if the the istance geometry is different from the type
// or the type does not have any material association
IFCAnyHandle constituentSetHnd = ExporterCacheManager.MaterialSetCache.FindConstituentSetHnd(symbolId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(constituentSetHnd) &&
bodyData != null && bodyData.RepresentationItemInfo != null && bodyData.RepresentationItemInfo.Count > 0)
{
CategoryUtil.CreateMaterialAssociationWithShapeAspect(exporterIFC, element, instanceHandle, bodyData.RepresentationItemInfo);
}
else
{
// Create material association in case if bodyData is null
CategoryUtil.CreateMaterialAssociation(exporterIFC, instanceHandle, typeInfo.MaterialIdList);
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeInfo.Style))
{
ExporterCacheManager.TypeRelationsCache.Add(typeInfo.Style, instanceHandle);
}
}
}
}
return(true);
}