【MSCE c#】tekla建立的模型导出成ifc格式后，ms查看属性相关问题

没有呀，郭老师

按我这样选项再搜索一下试试：

郭老师，我测试了 c#版本的up17 二次开发程序，没法通过获取ec属性获取到。麻烦你这边看看 那种属性是什么样的存在，如何获取。 测试文件如下

20221018.dgn

元素之间应该是存在依赖关系。看下图

郭老师正在探索如何通过编程手段处理这种关系。推测是要用到ECRelationshipClass

这些属性获取起来还是比较麻烦的，如下c/c++示例代码演示了获取“格栅板”的属性：

ElementAgenda selectset;
	SelectionSetManager::GetManager().BuildAgenda(selectset);
	if (selectset.GetCount() < 1)
	{
		return;
	}
	EditElementHandle& eeh = selectset[0]; 
	DgnFileP dgnFile = ISessionMgr::GetActiveDgnFile();
	SchemaInfo schemaInfo(ECN::SchemaKey(L"IFC2x3", 1, 0), *dgnFile);
	DgnECManagerR ecMan = DgnECManager::GetManager();
	ECN::ECSchemaPtr pSchema = ecMan.LocateSchemaInDgnFile(schemaInfo, ECN::SchemaMatchType::SCHEMAMATCHTYPE_LatestCompatible);
	if (pSchema.IsNull())
	{
		mdlDialog_dmsgsPrint(L"Can't find BaseElementSchema schema");
		return;
	}
	ECN::ECRelationshipClassP pRelaClass = pSchema->GetClassP(L"IfcRelDefinesProperties_RelatedObjects")->GetRelationshipClassP();
	ECN::ECRelationshipClassP pRRelaClass = pSchema->GetClassP(L"IfcRelDefinesByPropertiesProperties_RelatingPropertyDefinition")->GetRelationshipClassP();
	ECN::ECClassP pVolClass = pSchema->GetClassP(L"IfcPlate");
	DgnElementECInstancePtr pInstance = ecMan.FindInstanceOnElement(eeh, *pVolClass, true); //polymorphic=true is important
	if (pInstance.IsNull())
	{
		mdlDialog_dmsgsPrint(L"pInstance is null");
		return;
	} 
	QueryRelatedClassSpecifierPtr qrcs = QueryRelatedClassSpecifier::Create(*pRelaClass,NULL, ECN::STRENGTHDIRECTION_Backward);
	DgnECInstanceCreateOptions options = DgnECInstanceCreateOptions();
	DgnECInstanceCreateContext insCreateCon(options);
	DgnECInstanceIterable dgnECInsIter= DgnECManager::GetManager().FindRelatedInstances(*pInstance, *qrcs, insCreateCon); 
	for (DgnECInstanceIterable::const_iterator iter = dgnECInsIter.begin(); iter != dgnECInsIter.end(); ++iter)
	{
		DgnECInstancePtr instance = *iter;
		QueryRelatedClassSpecifierPtr qrcsCur = QueryRelatedClassSpecifier::Create(*pRRelaClass);
		DgnECInstanceIterable dgnECInsIterCur = DgnECManager::GetManager().FindRelatedInstances(*instance, *qrcsCur, insCreateCon);
		for (DgnECInstanceIterable::const_iterator iterCur = dgnECInsIterCur.begin(); iterCur != dgnECInsIterCur.end(); ++iterCur)
		{
			DgnECInstancePtr instanceCur = *iterCur; 
			WPrintfString wStrCur(L"Class__%s", instanceCur->GetClass().GetFullName());
			mdlDialog_dmsgsPrint(wStrCur);
			ECPropertyIterable ecPropIter = instanceCur->GetClass().GetProperties();
			for (ECPropertyIterable::const_iterator iterCCur = ecPropIter.begin(); iterCCur != ecPropIter.end(); ++iterCCur)
			{
				ECValue curECValue;
				instanceCur->GetValue(curECValue, (*iterCCur)->GetName().GetWCharCP());
				WPrintfString wStr(L"Property__%s	Value__%s", (*iterCCur)->GetName().GetWCharCP(), curECValue.ToString().GetWCharCP());
				mdlDialog_dmsgsPrint(wStr);
			}
		}
	}

您可以试着改写成c#的。