solidworks二次开发：在装配体中,对选择的零件进行配合装配

HRESULT retval;

LPMODELDOC2 pModelDoc;

LPSLDWORKS m_iSldWorks;

m_iSldWorks=TheApplication->GetSWApp();

retval=m_iSldWorks->get_IActiveDoc2(&pModelDoc);

if(pModelDoc==NULL) {

AfxMessageBox(_T("获得活动文档失败"));

return;

}

LPSELECTIONMGR pSelMgr;

retval=pModelDoc->get_ISelectionManager(&pSelMgr);

if(pSelMgr==NULL) {

AfxMessageBox(_T("获得选择管理器指针失败"));

return;

}

long selCount=0;

retval=pSelMgr->GetSelectedObjectCount(&selCount);

if(selCount==0) {

AfxMessageBox(_T("没有选择的物体，请选择"));

return;

}

LPASSEMBLYDOC pAssmDoc;

retval=pModelDoc->QueryInterface(IID_IAssemblyDoc,(LPVOID*)&pAssmDoc);

ASSERT(pAssmDoc!=NULL);

pAssmDoc->AddMate(swMateCONCENTRIC,0,TRUE,0,0);