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FormClosingEventArgs Class

Note: This class is new in the .NET Framework version 2.0.

Provides data for the FormClosing event.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

public class FormClosingEventArgs : CancelEventArgs
public class FormClosingEventArgs extends CancelEventArgs
public class FormClosingEventArgs extends CancelEventArgs

The FormClosing event occurs just before a form is closed, either by the user, through the user interface (UI), or programmatically, through calls to methods such as Close in the Form class, or Exit in the Application class.

If a form has any child or owned forms, a FormClosing event is also raised for each one. If any one of the forms cancels the event, none of the forms are closed. Therefore the corresponding FormClosed events are not sent to any of the forms.

The FormClosingEventArgs class provides data for this event. Two important members are the Cancel and CloseReason properties. The event can be canceled by setting the Cancel property to true. The CloseReason property provides a reason why the form is being closed.

System.Object
   System.EventArgs
     System.ComponentModel.CancelEventArgs
      System.Windows.Forms.FormClosingEventArgs
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0
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