CloseReason Enumeration
.NET Framework 3.0
Specifies the reason that a form was closed.
Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)
Assembly: System.Windows.Forms (in system.windows.forms.dll)
| Member name | Description | |
|---|---|---|
| ApplicationExitCall | The Exit method of the Application class was invoked. | |
| FormOwnerClosing | The owner form is closing. | |
| MdiFormClosing | The parent form of this multiple document interface (MDI) form is closing. | |
| None | The cause of the closure was not defined or could not be determined. | |
| TaskManagerClosing | The Microsoft Windows Task Manager is closing the application. | |
| 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. | |
| WindowsShutDown | The operating system is closing all applications before shutting down. |
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.
Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Community Additions
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