Method to add the InsertConstrain... Where is the bug?

[chaiy]

I tried to use some function with VC++ to select 2 Circular Edges and make insert Contrain them together.I have made a code but it has some mistake.It is not work.If some one kwon,Please help me.

best regrads,

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Document* aDoc;

// Chaeck Assembly's Document

HRESULT Result = NOERROR;
Result = m_Application->get_ActiveDocument(&aDoc);

if (FAILED(Result) || !aDoc)
{
BSTR stTempFile;
CComVariant MyDocSubType(L"SubType");
m_Application->GetTemplateFile(kAssemblyDocumentObject, kDefaultSystemOfMeasure,
kDefault_DraftingStandard, MyDocSubType, &stTempFile);
aDoc->Release();
aDoc = NULL;
Documents* aDocs = m_Application->GetDocuments();
aDocs->Add(kAssemblyDocumentObject, stTempFile, TRUE, &aDoc);//erzeugt Absturz
CWnd::GetActiveWindow()->MessageBox("punkt drei", "Wegpunkt", MB_OK|MB_ICONERROR);
}

// Result = m_Application->get_ActiveEditObject(&aActObj);
// if (FAILED(Result) || !aActObj)
// return;

CComQIPtr<AssemblyDocument> aAsmDoc(aDoc);

CComQIPtr<AssemblyComponentDefinition> aAsmComDef;
Result = aAsmDoc->get_ComponentDefinition(&aAsmComDef);

InteractionEventsObject* oInteractEvents;
SelectEventsObject* oSelectEvents;

bool checkSelected = false;

Result = m_Application->CommandManager->CreateInteractionEvents(&oInteractEvents);

Result = oInteractEvents->put_SelectionActive(true);

oSelectEvents = oInteractEvents->GetSelectEvents();

Result = oSelectEvents->AddSelectionFilter(filter);

Result = oInteractEvents->Start();

int edge_Num = 0;
int SelectCount = 0;
CComQIPtr<Edge> aEdge[2];

CComPtr<ObjectsEnumerator> oSelectedEnts ;
AfxMessageBox("in Pick 2");

Result = oSelectEvents->get_SelectedEntities(&oSelectedEnts);

while(!checkSelected)
{

// SelectCount = oSelectedEnts->GetCount();

if (oSelectedEnts->GetCount() > 2)
{
checkSelected = true;
}

edge_Num++;
}

aEdge[0] = oSelectedEnts->GetItem(1);
aEdge[1] = oSelectedEnts->GetItem(2);

CComPtr<InsertConstraint> aInsert;
CComVariant Distance=0.0,
BiasPointOne = 0.0,
BiasPointTwo = 0.0;

aInsert=aAsmComDef->Constraints->MethodAddInsertConstraint(aEdge[0],aEdge[1],true,Distance
,BiasPointOne,BiasPointTwo);

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