Application Exit Event

Posted on 13.02.202022.08.2017by admin

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Javafx Application Exit Event
Android Application Exit Event
Application Exit Event C#
C# Console Application Exit Event
Wpf Application Exit Event Handler

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Definition

Informs all message pumps that they must terminate, and then closes all application windows after the messages have been processed.

Overloads

Exit()Exit()Exit()Exit()	Informs all message pumps that they must terminate, and then closes all application windows after the messages have been processed.
Exit(CancelEventArgs)Exit(CancelEventArgs)Exit(CancelEventArgs)Exit(CancelEventArgs)	Informs all message pumps that they must terminate, and then closes all application windows after the messages have been processed.

Informs all message pumps that they must terminate, and then closes all application windows after the messages have been processed.

Examples

The following code example displays two forms and exits the application when both forms are closed. When the application starts and exits, the position of each form is remembered. This example demonstrates using the ApplicationExit event to know when the form positions should be persisted to the file, and when the FileStream should be closed.
In a multithreading program, Application.Exit will not terminate all your threads instead you are only exiting from the current thread context, while leaving any started foreground threads running. In this case you should take measures to kill your other threads, either in the main function or when in the OnClose event of your main form.

The following code example lists numbers in a list box on a form. Each time you click button1, the application adds another number to the list.

The Main method calls Run to start the application, which creates the form, listBox1, and button1. When the user clicks button1, the button1_Click method adds numbers one to three to the list box, and displays a MessageBox. If the user clicks No on the MessageBox, the button1_Click method adds another number to the list. If the user clicks Yes, the application calls Exit, to process all remaining messages in the queue and then to quit.

Javafx Application Exit Event

The example requires that listBox1 and button1 have been instantiated and placed on a form.

Sep 14, 2016 Suspending event is not appropriate for this case. It is fired every time the application looses focus. It is OK in my case to suspent all the operations until the application gets focus again but it the application is about to be closed I need to warn the user.

Remarks

The Exit method stops all running message loops on all threads and closes all windows of the application. This method does not necessarily force the application to exit. The Exit method is typically called from within a message loop, and forces Run to return. To exit a message loop for the current thread only, call ExitThread.

Exit raises the following events and performs the associated conditional actions:

A FormClosing event is raised for every form represented by the OpenForms property. This event can be canceled by setting the Cancel property of their FormClosingEventArgs parameter to true.
If one of more of the handlers cancels the event, then Exit returns without further action. Otherwise, a FormClosed event is raised for every open form, then all running message loops and forms are closed.

Note

The Exit method does not raise the Closed and Closing events, which are obsolete as of .NET Framework 2.0.

Security

SecurityPermission
for the immediate caller to call unmanaged code. Associated enumeration: UnmanagedCode

Android Application Exit Event

Exit(CancelEventArgs)Exit(CancelEventArgs)Exit(CancelEventArgs)Exit(CancelEventArgs)

Informs all message pumps that they must terminate, and then closes all application windows after the messages have been processed.