InvalidNodeExceptionEventArgs Class

Provides data for the TreeList.InvalidNodeException event.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v18.2.dll

Declaration

C#

public class InvalidNodeExceptionEventArgs :
    ExceptionEventArgs

VB.NET

Public Class InvalidNodeExceptionEventArgs
    Inherits ExceptionEventArgs

Related API Members

InvalidNodeExceptionEventArgs is the data class for the following events:

• TreeList.InvalidNodeException

Remarks

The TreeList.InvalidNodeException event occurs when the focused node fails validation or it cannot be saved to the data source. You can handle this event to discard changes that cannot be accepted, raise an exception, display an error message box or provide any other desired response. InvalidNodeExceptionEventArgs object properties allow you to specify the contents of the error message box, identify the node that failed validation, access exception information and enable one of the predefined responses.

Inheritance

Object

EventArgs

ExceptionEventArgs

InvalidNodeExceptionEventArgs