The XDocumentBeforeClose event does not occur when you exit InfoPath 2007 without first closing a form

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SYMPTOMS

Consider the following scenario:

You design a new Microsoft Visual C# Add-in project for Microsoft Office InfoPath 2007.

You use the following code example to change the OnConnection event method. This code example also changes the applicationObject definition to Private ApplicationClass applicationObject;.

applicationObject = (ApplicationClass)application;
	addInInstance = addInInst;

            ((ApplicationEventsClass)applicationObject.Events).XDocumentBeforeClose += new 			_ApplicationEvents_XDocumentBeforeCloseEventHandler(Connect_XDocumentBeforeClose);

You add a method definition that resembles the following code example.

void Connect_XDocumentBeforeClose(_XDocument pDocument, ref bool pfCancel)
        	{
	            System.Windows.Forms.MessageBox.Show("Connect_XDocumentBeforeClose");
        	}

You build and install the new add-in.
You open the form in InfoPath 2007.
You exit InfoPath 2007 without first closing the form.

In this scenario, the XDocumentBeforeClose event does not occur.

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This behavior occurs because the XDocumentBeforeClose event may prevent InfoPath 2007 to shut down by returning "fCancel=true". However, if the XDocumentBeforeClose event is called, the event is ignored, and the returned value may confuse some third-party developers. Therefore, use the Application::Quit command if you must perform cleanup tasks related to opened documents.

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