ObjectARX 智能指针

AcDbObjectPointer

class  AcDbObjectPointer;
typedef  AcDbObjectPointer<AcDbDictionary>  AcDbDictionaryPointer;
typedef  AcDbObjectPointer<AcDbEntity>      AcDbEntityPointer;

AcDbSymbolTablePointer

typedef AcDbSymbolTablePointer<AcDbBlockTable>     AcDbBlockTablePointer;
typedef AcDbSymbolTablePointer<AcDbDimStyleTable>  AcDbDimStyleTablePointer;
typedef AcDbSymbolTablePointer<AcDbLayerTable>     AcDbLayerTablePointer;
typedef AcDbSymbolTablePointer<AcDbLinetypeTable>  AcDbLinetypeTablePointer;
typedef AcDbSymbolTablePointer<AcDbRegAppTable>    AcDbRegAppTablePointer;
typedef AcDbSymbolTablePointer<AcDbTextStyleTable> AcDbTextStyleTablePointer;
typedef AcDbSymbolTablePointer<AcDbUCSTable>       AcDbUCSTablePointer;
typedef AcDbSymbolTablePointer<AcDbViewTable>      AcDbViewTablePointer;
typedef AcDbSymbolTablePointer<AcDbViewportTable>  AcDbViewportTablePointer;

AcDbSymbolTableRecordPointer

typedef AcDbSymbolTableRecordPointer<AcDbBlockTableRecord>
                                     AcDbBlockTableRecordPointer;
typedef AcDbSymbolTableRecordPointer<AcDbDimStyleTableRecord>
                                     AcDbDimStyleTableRecordPointer;
typedef AcDbSymbolTableRecordPointer<AcDbLayerTableRecord>
                                     AcDbLayerTableRecordPointer;
typedef AcDbSymbolTableRecordPointer<AcDbLinetypeTableRecord>
                                     AcDbLinetypeTableRecordPointer;
typedef AcDbSymbolTableRecordPointer<AcDbRegAppTableRecord>
                                     AcDbRegAppTableRecordPointer;
typedef AcDbSymbolTableRecordPointer<AcDbTextStyleTableRecord>
                                     AcDbTextStyleTableRecordPointer;
typedef AcDbSymbolTableRecordPointer<AcDbUCSTableRecord>
                                     AcDbUCSTableRecordPointer;
typedef AcDbSymbolTableRecordPointer<AcDbViewTableRecord>
                                     AcDbViewTableRecordPointer;
typedef AcDbSymbolTableRecordPointer<AcDbViewportTableRecord>
                                     AcDbViewportTableRecordPointer;

Sample Code

AcDbBlockTableRecordPointer curSpace(
    curDoc()->database()->currentSpaceId(),
    AcDb::kForWrite);
if (curSpace.openStatus() == Acad::eOk)
{
    ...
}

AcDbObjectPointer<AcDbLine> line;
line.create();
line->setStartPoint(AcGePoint3d(0, 0, 0));
line->setEndPoint(AcGePoint3d(10, 10, 0));

AcDbBlockTableRecordPointer curSpace(
    acDocManager->curDocument()->database()->currentSpaceId(),
    AcDb::kForWrite);
if (curSpace.openStatus() == Acad::eOk)
{
    curSpace->appendAcDbEntity(line);
}