zyygood 发表于 2007-6-6 10:03:00

[求助]AcDbDictionary 不能往为写?

我用mfc做了一个窗体,窗体加了一个按钮, 下面是按钮里面的代码,

AcDbDictionary *pNOD;
if(acdbHostApplicationServices()->workingDatabase()->getNamedObjectsDictionary(pNOD,AcDb::kForWrite) != Acad::eOk)
   
{
return;
}
AcDbObjectId id0;
//AcDbDictionary *pMyDict;
AcDbDictionary *pDict = new AcDbDictionary;
if (pNOD->getAt(_T("Flow_Data"),id0) == Acad::eKeyNotFound)
{
//pNOD->upgradeOpen();
pDict = new AcDbDictionary;
       pNOD->setAt(_T("Flow_Data"),pDict,id0);

................
...........

}
pNOD->close();
//Add a new xrecord
编译没有错误,加载运行后,就会出错,就是执行到 if(acdbHostApplicationServices()->workingDatabase()->getNamedObjectsDictionary(pNOD,AcDb::kForWrite) != Acad::eOk) 这句就退出了, 谁知道是为什么呀,怎么AdDbDicitonary 不能以写的方式带开,
注: 我创建窗口时候,用的mfc中的类,没有用中扩展的mfc类
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