Gets or sets the event handler that is called before the tree node is expanded.


object.OnBeforeExpand [ = String ]

Event Data

The System.Sender property contains the object that raised the event. The System.EventArgs property receives a value of type EventArgs containing data related to this event. The following EventArgs properties provide information specific to this event.

Property Description
Cancel Gets or sets a value indicating whether the event should be canceled.
Node Gets the tree node that has been checked, expanded, collapsed, or selected.

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