Esempi in C++ (Cpp) per AcDbLine::erase

Esempio n. 1

File: MyDlg.cpp Progetto: trist725/GalCreateLines

void CMyDlg::OnDelLine() 
{
	// TODO: Add your control notification handler code here
	int nItem;
	long lId;
	CString str;
	AcDbObjectId LineId;
	AcDbEntity *pEnt = NULL;
	AcDbLine *pLine = NULL;
	Acad::ErrorStatus es;

	acDocManager->lockDocument(curDoc());
	//在列表中删除选定行
	while(m_ListCtr.GetNextItem(-1, (LVNI_ALL | LVNI_SELECTED)) != -1)
	{
		nItem = m_ListCtr.GetNextItem(-1, (LVNI_ALL | LVNI_SELECTED));
		str = m_ListCtr.GetItemText(nItem, 0);
		//acutPrintf("%s\n", str);
		lId = atol(str);
		LineId.setFromOldId(lId);
		//获得指针
		es = acdbOpenAcDbEntity(pEnt, LineId, AcDb::kForWrite);
		//在模型空间删除相应实体
		pLine = AcDbLine::cast(pEnt);
		if (pLine)
		{
			pLine->erase();
			pLine->close();
			m_ListCtr.DeleteItem(nItem);
			--m_Row;
		}	
	}
	UpdateData(FALSE);
	
	acDocManager->unlockDocument(curDoc());	
}