AcDbObjectId CArxHelper::SetLayer(TCHAR* layerName)
{
AcDbObjectId layerId = NULL;
AcDbLayerTable *pLayerTbl;
acdbCurDwg()->getLayerTable(pLayerTbl,AcDb::kForWrite);
AcDbLayerTableIterator *pItr;
pLayerTbl->newIterator(pItr);
for(;!pItr->done();pItr->step())
{
AcDbLayerTableRecord *pLayer;
pItr->getRecord(pLayer,AcDb::kForRead);
TCHAR *str=NULL;
pLayer->getName(str);
if(_tcscmp(layerName,str)==0)
layerId=pLayer->id();
if(str!=NULL) delete []str;
pLayer->close();
if(layerId!=NULL)
break;
}
delete pItr;
pItr = NULL;
if(layerId==NULL)
{
AcDbLayerTableRecord *pLayerTblRcd=new AcDbLayerTableRecord();
Acad::ErrorStatus es = pLayerTblRcd->setName(layerName);
if (es != Acad::eOk)
pLayerTblRcd->setName(_T("0"));
pLayerTbl->add(layerId,pLayerTblRcd);
pLayerTblRcd->close();
}
pLayerTbl->close();
acdbCurDwg() ->setClayer(layerId);
return layerId;
}
void Additional_Class::SetCurLayler( CString LaylerName )
{
AcDbDatabase *pCurDb = NULL;
pCurDb = acdbHostApplicationServices()->workingDatabase();
/*pCurDb->setClayer()*/
int n = 0;//判断是否找到图层
//////////////////////////////////////////////////////////////////////////
AcDbLayerTable *pLayerTbl;
acdbHostApplicationServices()->workingDatabase()
->getSymbolTable(pLayerTbl, AcDb::kForWrite);
// 建立图层遍历器
AcDbLayerTableIterator *pLayerIterator;
pLayerTbl->newIterator(pLayerIterator);
//
AcDbLayerTableRecord *pLayerTableRcd;
ACHAR *pLtName;
ACHAR *pLtNameTT;
CString pLtNameStr;
for (; !pLayerIterator->done(); pLayerIterator->step())
{
pLayerIterator->getRecord(pLayerTableRcd, AcDb::kForWrite);
pLayerTableRcd->getName(pLtName);
pLayerTableRcd->close();
pLtNameStr = pLtName;
if (pLtNameStr == LaylerName)
{
pCurDb->setClayer(pLayerTableRcd->id());
free(pLtName);
n = 1;//如果图层找到，则将n赋值为1
delete pLayerIterator;
pLayerTbl->close();
return;
}
else
{
free(pLtName);
}
}
if (n == 0)
{
// 新建图层
AcDbLayerTableRecord *pLayerTableRecordTT = new AcDbLayerTableRecord;
pLayerTableRecordTT->setName(LaylerName);
AcDbObjectId pLayerId;
pLayerTbl->add(pLayerId, pLayerTableRecordTT);
pLayerTableRecordTT->getName(pLtNameTT);
pLayerTableRecordTT->close();
//struct resbuf pResult;
//::acedGetVar(_T("CLAYER"),&pResult);//取得当前图层
//char *p = (LPSTR)(LPCTSTR)LaylerName;
//pResult.resval.rstring = pLtNameTT;
//int s=acedSetVar(_T("CLAYER"), &pResult);//将输入的图层设为当前层
//相当于命令 CLAYER LAYERNAME
//acutPrintf(_T("\nLinetype name is: %s"), pResult.resval.rstring);
//acutPrintf(_T("\nLinetype name is: %d"), s);
n = 1;//如果图层找到，则将n赋值为1
delete pLayerIterator;
pLayerTbl->close();
struct resbuf pResults;
::acedGetVar(_T("CLAYER"),&pResults);//取得当前图层
//pLtNameTT = "0";
pResults.resval.rstring = pLtNameTT;
::acedSetVar(_T("CLAYER"), &pResults);//将输入的图层设为当前层
free(pLtNameTT);
}
// acutPrintf(_T("\nLinetype name"));
// acutPrintf(_T("\nLinetype name is: %s"), pResult.resval.rstring);
}
