ARX清理layout

Posted 2021-09-29 zeqi1991

void ClearLayout()
{
    CString msLayoutName;
    CStringArray layoutNames;
    AcDbObjectId msID = acdbSymUtil()->blockModelSpaceId(m_pDatabase);
    AcDbObjectId dictId = m_pDatabase->layoutDictionaryId();
    AcDbDictionary* pDict = NULL;
    if (Acad::eOk == acdbOpenObject(pDict, dictId, AcDb::kForWrite))
    {
        AcDbDictionaryIterator *iter = pDict->newIterator();
        for (; !iter->done(); iter->next())
        {
            AcDbObject* pDictObj = NULL;
            iter->getObject(pDictObj, AcDb::kForWrite);
            if (pDictObj->isKindOf(AcDbLayout::desc()))
            {
                AcDbLayout* pLayout = AcDbLayout::cast(pDictObj);
                AcDbObjectId blockTableRecordID = pLayout->getBlockTableRecordId();
                TCHAR *name = NULL;
                pLayout->getLayoutName(name);
                if (blockTableRecordID != msID)//属于模型空间的id
                {
                    layoutNames.Add(name);
                }
                else
                {
                    msLayoutName = name;
                }
            }
            pDictObj->close();
        }
        delete iter;
        iter = NULL;
        pDict->close();
    }
    //CAD不允许清理所有的布局[除开模型布局以外必须存在一个其他布局],创建一个临时的layout
    if (1)
    {
        AcDbObjectId layoutID, blockRecordID;
        acdbHostApplicationServices()->layoutManager()->createLayout(_T("布局"), layoutID, blockRecordID, m_pDatabase);
    }
    acdbHostApplicationServices()->layoutManager()->setCurrentLayout(msLayoutName, m_pDatabase);
    for (int i = 0; i < layoutNames.GetSize(); i++)
    {
        Acad::ErrorStatus es = acdbHostApplicationServices()->layoutManager()->deleteLayout(layoutNames[i], m_pDatabase);
    }
}