TreeView.OnBeforeLabelEdit(NodeLabelEditEventArgs) Method
Definition
Important
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Raises the BeforeLabelEdit event.
protected:
virtual void OnBeforeLabelEdit(System::Windows::Forms::NodeLabelEditEventArgs ^ e);protected virtual void OnBeforeLabelEdit (System.Windows.Forms.NodeLabelEditEventArgs e);abstract member OnBeforeLabelEdit : System.Windows.Forms.NodeLabelEditEventArgs -> unit
override this.OnBeforeLabelEdit : System.Windows.Forms.NodeLabelEditEventArgs -> unitProtected Overridable Sub OnBeforeLabelEdit (e As NodeLabelEditEventArgs)Parameters
A NodeLabelEditEventArgs that contains the event data.
Remarks
Raising an event invokes the event handler through a delegate. For more information, see Handling and Raising Events.
The OnBeforeLabelEdit method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.
Notes to Inheritors
When overriding OnBeforeLabelEdit(NodeLabelEditEventArgs) in a derived class, be sure to call the base class's OnBeforeLabelEdit(NodeLabelEditEventArgs) method so that registered delegates receive the event.
