TaskRequestItem.Close Event (Outlook)
Occurs when the inspector associated with an item (which is an instance of the parent object) is being closed.
expression A variable that represents a TaskRequestItem object.
(Not used in VBScript). False when the event occurs. If the event procedure sets this argument to True, the close operation is not completed and the inspector is left open.
In Microsoft Visual Basic Scripting Edition (VBScript), if you set the return value of this function to False, the close operation isn't completed and the inspector is left open.
If you use the Close method to fire this event, it can only be canceled if the Close method uses the olPromptForSave argument.