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FAQ Item: How to perform tasks before the form is closed and how to prevent a form from being closed when the Close button is clicked?

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How to perform tasks before the form is closed and how to prevent a form from being closed when the Close button is clicked?
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Monday, February 1, 2010 2:49 PM

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We can listen to the Form’s FormClosing event and in the event handler function, we can run the codes to do what we want. For detailed information, please refer to this MSDN documentation:

http://msdn.microsoft.com/en-us/library/system.windows.forms.form.formclosing.aspx

FormClosing event occurs before a form is being closed. To cancel the closure of a form, in that form’s FormClosing event handle, we should set the FormClosingEventArgs’s Cancel property to true.

Related threads:

http://social.msdn.microsoft.com/Forums/en-US/csharpgeneral/thread/10a0fd63-646b-451a-b992-f83f4f890b46

http://social.msdn.microsoft.com/Forums/en-US/csharpgeneral/thread/8fdcc80a-f72d-4d6a-8285-5a4ecd41b7dd

http://social.msdn.microsoft.com/Forums/en-US/csharpgeneral/thread/cf1afb78-dc5a-4971-ad8f-ebcc7f7df889

http://social.msdn.microsoft.com/Forums/en-US/csharpgeneral/thread/6fffc42a-854c-46f9-99ff-7f54bdfa3dd9

http://social.msdn.microsoft.com/forums/en-US/csharpgeneral/thread/34d4879c-9c6d-4b87-97bf-a2f97ad82fbd
Please remember to mark the replies as answers if they help and unmark them if they provide no help.
- Marked as answer by Ji.ZhouModerator Friday, March 5, 2010 6:58 AM
Monday, February 1, 2010 2:49 PM

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