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ComboBox.OnValidating(CancelEventArgs) Method

Definition

Raises the Validating event.

protected:
 override void OnValidating(System::ComponentModel::CancelEventArgs ^ e);
protected override void OnValidating (System.ComponentModel.CancelEventArgs e);
override this.OnValidating : System.ComponentModel.CancelEventArgs -> unit
Protected Overrides Sub OnValidating (e As CancelEventArgs)

Parameters

e
CancelEventArgs

A CancelEventArgs 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 OnValidating 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 OnValidating(CancelEventArgs) in a derived class, be sure to call the base class's OnValidating(CancelEventArgs) method so that registered delegates receive the event.

Applies to