## NodeChanging field


Occurs when the [XmlNode::get_Value](../../xmlnode/get_value/) of a node belonging to this document is about to be changed.

```cpp
XmlNodeChangedEventHandler System::Xml::XmlDocument::NodeChanging
```

## See Also

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