CloseReason Enumeration (System.Windows.Forms)

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CloseReason Enumeration

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Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:

.NET Framework Class Library

CloseReason Enumeration

Specifies the reason that a form was closed.

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

Syntax

Visual Basic (Declaration)

Public Enumeration CloseReason

Visual Basic (Usage)

Dim instance As CloseReason

public enum CloseReason

Visual C++

public enum class CloseReason

JScript

public enum CloseReason

Members

	Member name	Description
	None	The cause of the closure was not defined or could not be determined.
	WindowsShutDown	The operating system is closing all applications before shutting down.
	MdiFormClosing	The parent form of this multiple document interface (MDI) form is closing.
	UserClosing	The user is closing the form through the user interface (UI), for example by clicking the Close button on the form window, selecting Close from the window's control menu, or pressing ALT+F4.
	TaskManagerClosing	The Microsoft Windows Task Manager is closing the application.
	FormOwnerClosing	The owner form is closing.
	ApplicationExitCall	The Exit method of the Application class was invoked.

Remarks

The FormClosing and FormClosed events are raised when a Form is closed, either through user action or programmatically. Handlers for these events receive parameters of type FormClosingEventArgs and FormClosedEventArgs, respectively. Both of these event argument classes use the CloseReason enumeration.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0

Reference

System.Windows.Forms Namespace

FormClosing

FormClosed

FormClosingEventArgs..::.CloseReason

FormClosedEventArgs..::.CloseReason