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Споделяне чрез

XmlDocument.NodeChanging Event

  • Reference

Definition

Namespace:
System.Xml
Assemblies:
System.Xml.dll, System.Xml.XmlDocument.dll
Assemblies:
netstandard.dll, System.Xml.ReaderWriter.dll
Assembly:
System.Xml.XmlDocument.dll
Assembly:
System.Xml.ReaderWriter.dll
Assembly:
System.Xml.dll
Assembly:
netstandard.dll
Source:
XmlDocument.cs
Source:
XmlDocument.cs
Source:
XmlDocument.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Occurs when the Value of a node belonging to this document is about to be changed.

C# 
public event System.Xml.XmlNodeChangedEventHandler NodeChanging;

Event Type

XmlNodeChangedEventHandler

Remarks

This event allows the user to do extra checking and, if necessary, throw an exception to stop the operation. If an exception is thrown the XmlDocument returns to its original state. This event only applies to nodes that have a value.

All nodes created by this document, whether or not they have been inserted into the document, are included in this event.

Applies to

Продукт Версии
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 2.0, 2.1
UWP 10.0

See also