OnFormClosing Method
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Form.OnFormClosing Method (FormClosingEventArgs)

 

Raises the FormClosing event.

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

protected virtual void OnFormClosing(
	FormClosingEventArgs e
)

Parameters

e
Type: System.Windows.Forms.FormClosingEventArgs

A FormClosingEventArgs that contains the event data.

Raising an event invokes the event handler through a delegate. For more information, see Handling and Raising Events.

The OnFormClosing 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 OnFormClosing in a derived class, be sure to call the base class's OnFormClosing method so that registered delegates receive the event.

.NET Framework
Available since 2.0
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