## XmlReader::get_IsDefault method


在派生类中重写时，获取一个值，指示当前节点是否为从 DTD 或模式中定义的默认值生成的属性。

```cpp
virtual bool System::Xml::XmlReader::get_IsDefault()
```


### ReturnValue

**true** if the current node is an attribute whose value was generated from the default value defined in the DTD or schema; **false** if the attribute value was explicitly set.

## 另见

* Class [XmlReader](../)
* Namespace [System::Xml](../../)
* Library [Aspose.Page for C++](../../../)